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Best Choice NOENNULL 
Thread forming Screws for Plastic 400pcs M2 M2.6 Pan Self Tapping Screws Set Assortment Kit Screws Metal Screws Size There Are 400 Of Screws In Size To Meet Your Different Needs, Suitable For Term Use.MOUMOUTEN 
1 Piece 4-40 UNC Round Thread Die Machine Thread Right Thread Round Thread Die Made of Alloy Steel for Thread Forming Re Detailed Parameters: Thread Size: 4-40 (Right); Thread Type: Standard; Outer Diameter (OD): 19.6mm/0.77"; Thickness: 5mmAU-VE-CO 
Auveco # 8443 5/16" X 1" Indented Hex Washer Head Type F Thread Cutting Screw Zinc. Qty 100. For more than 100 years Auveco has provided high-quality fasteners for body shops, repair shops, OEM's and industrial cuBest Value Homeas 
Screw Thread Pitch Cutting Gauge Tool 58pcs/set Stainless Steel Metric & Imperial & US Screw Gauge SAE Whitworth 55 Degr 👉Screw thread pitch cutting gauge tool set. All the blade was made by stainless steel, with wire drawing on the surfaceuxcell 
uxcell 5Pcs 6mm Thread Reverse Screws for Cutting Machine Product Name : Reverse Thread ScrewYMAISS 
YMAISS 500pcs M4 High Hardness Drywall Screws Assortment Kit, Self-Tapping, Wood Screws, Coarse Thread, Phillips Drive, Premium Wood Screws are made of hige hardness carbon steel with a color zinc plated finish.Strong rust resistant and corNewport Fasteners 
#10 x 3" Stainless Steel Wood Screw Square Drive, Bugle Head (Quantity: 25) Type 17 Wood Cutting Point, 2" of Thread Len HIGH QUALITY STAINLESS STEEL: These #10 Wood Screws (Drywall Screws) are high quality grade 18-8 Stainless Steel, givingLEONTOOL LEONTOOL 5-Piece NPT Pipe Tap Set 1/8", 1/4", 3/8", 1/2", 3/4" Thread Forming Tap, Gcr15 Steel NPT Tap Set for Accurate Package Details: 1/8 NPT 27 x 1 Pcs, 1/4 NPT 18 x 1 Pcs, 3/8 NPT 18 x 1 Pcs,1/2 NPT 14 x 1 Pcs, 3/4 NPT 14 x 1 Pcs. ComeFMhotu 1/4-20 x 2 Flat Head Thread Cutting Self Drilling Deck Screws, Type 7, Star Drive T-30, Steel Floorboard Thread Cutting [High-Strength & Durable Performance]Our 1/4-20 x 2" trailer deck screws feature a thread-cutting (Type 7) design that rRustark Rustark 420 Pcs [#7 5/8'' to 2-1/2''] Zinc Plated Coarse Thread Phillips Drywall Screws with Bugle Head Assortment Kit f ❤【PACKAGE INCLUDES】-- There are 7 most-used sizes selected for you, length includes: 90pcs*#7 x 5/8’’-16mm, 80pcs*#7 x 3Hard-to-Find Fastener Hard-to-Find Fastener 014973311100 Thread Cutting Floor Board Screws, 1/4-20 x 2-1/2, Piece-37 Diameter: 1/4"Aexit Aexit 2.5mm (Construction hardware) Cutting Diameter 3 Flutes HSS Straight Screw Thread -tap (14ry805qf268) 5 Pcs Product Name : Machine Taper _tap;Flute Diameter : 2.5mm/ 0.09"Yakamoz Yakamoz 5pcs Machine Screw Thread Tap Set HSS Titanium Spiral Flute Drill Taps Metric M3 M4 M5 M6 M8 Thread Tapping Tool 1. High Quality Materials: Made of high quality high speed steel,durable and effective, high hardness, fast cutting, weaNewport Fasteners 1/4-20 x 1 Flat Head Floorboard Thread Cutting Screws, Type F, (Star - Six Lobe - Torx Drive), Black Phosphate Finish, C Floor board screws are specially designed for installing wood floors into truck trailersNewport Fasteners 1/4-20 x 2 Flat Head Floorboard Thread Cutting Screws, Type F, (Star - Six Lobe Drive), Black Phosphate Finish, Counters Floor board screws are specially designed for installing wood floors into truck trailersHard-to-Find Fastener Hard-to-Find Fastener 014973311063 Thread Cutting Floor Board Screws, 1/4-20 x 2, Piece-45 Diameter: 1/4"Hillman The Hillman Group 81416 10-24 x 3/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwNewport Fasteners 1/4-20 x 2 1/4 Flat Head Floorboard Thread Cutting Screws, Type F, (Star - Six Lobe Drive), Black Phosphate Finish, Coun Floor board screws are specially designed for installing wood floors into truck trailersNewport Fasteners 5/16-18 x 2 Flat Head Floorboard Thread Cutting Screws, Type F, (Star - Six Lobe - Torx Drive), Black Phosphate Finish, Floor board screws are specially designed for installing wood floors into truck trailersBlulu Blulu 200 Pcs 1/4-20 x 2-1/2" Self-Tapping Trailer Deck Screws Flat Head Trailer Deck Screws, Star Drive T-30, Black Flo Sufficient Quantity: our package includes 100 floorboard thread cutting screws, which are not only convenient for dailyLingGan Machine Tap 4-40 UNC Thread Pitch 3 Flutes, High Speed Steel Thread Forming Pointed Tap, Right Hand, Uncoated (Bright) F Using high-quality high-speed steel M2, vacuum heat treatment, can be used to process stainless steel, carbon steel, 45Hard-to-Find Fastener Hard-to-Find Fastener 014973311124 Thread Cutting Floor Board Screws, 1/4-20 x 3, Piece-31 Diameter: 1/4"US Micro Screw M1.4 X 3mm Plastic Thread Forming Screw Stainless Steel Pan Head 6-Lobe Drive (100 Pcs) - M14-30-P-SS-PT Thread Size: M1.4Zmbroll Zmbroll 270Pcs M4 Pan Head Screws M4x5/6/8/10/12/16/20/25mm Metric Machine Screws Black Fully Thread Electricians Screw Versatile Assortment: Our set includes a wide variety of machine screws in different sizes:8 Sizes M4 most commonly usedFMhotu 5/16-18 x 3" Flat Head Thread Cutting Self Drilling Deck Screws, Type 7, Star Drive T-30, Steel Floorboard Thread Cuttin [High-Strength & Durable Performance]Our 5/16-18 x 3" trailer deck screws feature a thread-cutting (Type 7) design thatBlulu Blulu 200 Pack Qty 1/4-20 x 2-1/4'' Trailer Deck Screws Flat Head Screws Thread Cutting for Trailer Flooring Floorboards All In One Bundle: get everything you need for your trailer applications with our comprehensive bundle of 300 pieces, 1/Hillman The Hillman Group 81386 8-32 x 3/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwuxcell uxcell Metric Hand Tap M18 Thread 1.5 Pitch 4 Straight Flutes H2 Alloy Tool Steel Bottom & Taper Screw Tap Set Tapping T Metric Taps: Thread Size: M18; Pitch: 1.5; Shank Side Width: 10.5mm / 0.41 inch; Thread Length: 36mm / 1.42 inch; TotalYakamoz Yakamoz 10pcs Mini Machine Screw Drill Tap Set Metric Thread Screws Plug Tapping Bits Tool 10 Different Sizes: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5 (coarse thread) for tapping various threads.uxcell uxcell Metric Machine Tap Left Hand M10 Thread 1.25 Pitch H2 3 Flutes High Speed Steel Screw Thread Taps Tapping Tool Thread Tap: Thread Size: M10; Pitch: 1.25; Accuracy: H2; Tapping Direction: Left Hand (Reverse); Thread Length: 26mm / 1Hard-to-Find Fastener Hard-to-Find Fastener 014973311087 Thread Cutting Floor Board Screws, 1/4-20 x 2-1/4, Piece-40 Diameter: 1/4"KuyatE KuyatE 304 Self-Tapping Stainless Steel self-Tapping Machine Screws 240 Full Thread Cross recessed pan Head Screw Fasten 【Multiple sizes available】 Each set contains 60 M2x8, M2x10, M2.6x8 and M3x12 screws.Hillman The Hillman Group 81410 10-24 x 3/8-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwuxcell uxcell Machine Tap, 3/8-18 NPTF Pipe Tap 4 Straight Flutes High Speed Steel Screw Thread Threading Tapping Tool Pipe Thread Tap: Thread Size: 3/8-18 NPTF; Thread Length: 26mm / 1 inch; Shank Side Width: 9.8mm / 0.4 inch; Total Lengt15% Off Yotsuba Yotsuba 500 Pcs M2 M3 M4 304 Stainless Steel Self-Tapping Screws Assortment Kit - Pan Flat Head, Corrosion Resistant Fas 【Complete Screw Assortment Kit】 This 500-piece screw set includes versatile M2, M3, and M4 metric sizes with assorted leZmbroll Zmbroll 1560Pcs Black Flat Head Self Tapping Screws M1/1.2/1.4/1.7/2/2.3 Mini Cross Drive Countersunk Tiny Screw Woodwor Our tiny self tapping screws material:Made of high quality Carbon steel,with high hardness,anti-corrosion and good stabiLegare Street Press Thread-Cutting Methods: A Treatise On the Operation and Use of Various Tools and Machines for Forming Screw Threads, Inc uxcell uxcell Metric Hand Tap M5 Thread 0.8 Pitch 3 Straight Flutes H2 Alloy Tool Steel Bottom & Taper Screw Tap Set Tapping To Metric Taps: Thread Size: M5; Pitch: 0.8; Shank Side Width: 4mm / 0.16 inch; Thread Length: 19mm / 0.75 inch; Total LengSwpeet Swpeet 100Pcs 5 Sizes # 8 × 2" Pocket Hole Screws with 1Pc Drive Bit Assortment Kit, Coarse Thread Wood Screws, Self Tap 🌈 What You Get ---- In this kit, you will get 100Pcs 5 Sizes # 8 × 2" Pocket Hole Screws and 1Pc Drive Bit. All placeduxcell uxcell Machine Tap 1/2-12 BSW Thread Pitch H2 4 Straight Flutes High Speed Steel Screw Taps Threading Tapping Tool Thread Tap: Thread Size: 1/2-12 BSW; Shank Side Width: 7mm / 0.28 inch; Thread Length: 30mm / 1.2 inch; Total Length: 86FMhotu 1/4-20 x 2-1/2" Flat Head Thread Cutting Self Drilling Deck Screws, Type 7, Star Drive T-30, Steel Floorboard Thread Cut [High-Strength & Durable Performance]Our 1/4-20 x 2-1/2" trailer deck screws feature a thread-cutting (Type 7) design thHillman The Hillman Group 82106 1/4-20 x 1-1/4-Inch Flat Head Phillips F Thread Cutting Screw, 100-Pack Type "F" screwZmbroll Zmbroll M2 Black Countersunk Head Self-Tapping Screws 650Pcs Phillips Drive Wood Screws Metric Sheet Metal Screws Carbon Our self tapping screws material:Made of high quality Carbon steel,with high hardness,anti-corrosion and good stability,uxcell uxcell Machine Tap 5/16-36 UNS Thread 2B Class High Speed Steel Screw Taps Threading Tapping Tool Thread Tap: Thread Size: 5/16-36 UNS; Class: 2B; Thread Length: 23mm / 0.91 inch; Total Length: 70mm / 2.76 inchRustark Rustark 160-Pcs #7 Coarse Thread Drywall Screw with Phillips Drive Black Oxide Finsh Bugle Head Wood Screws Assortment K ★【PACKAGE INCLUDES】-- There are 8 most-used sizes selected for you, length includes: #7*5/8''-16mm, #7*3/4''-20mm, #7*1'Hillman The Hillman Group 81450 10-32 x 5/8-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screw15% Off Velooke 265pcs M3/M4/M5 Self-Tapping Screws Assortment Kit,304 Stainless Steel Wood Screw Phillips Flat Head with Storage Box | Rich Quantity and Variety: This set contains a total of 265 pieces of 304 stainless - steel screws in multiple specificaHard-to-Find Fastener Hard-to-Find Fastener 014973403584 Phillips Oval Thread Cutting Sheet Metal Screws, 6-32 x 1/2, Piece-36 Diameter: #6Zmbroll Zmbroll #8-32 185Pcs Phillips Pan Head Machine Screws 304 Stainless Steel Machine Screw Full Thread Fasteners Bolts Nuts Versatile Assortment: Our set includes a wide variety of machine screws in different sizes:8 Sizes 8#-32 most commonly uHillman The Hillman Group 81124 10-24 x 1-Inch Pan Head Slotted F Thread Cutting Screw, 100-Pack Type "F" screwZmbroll Zmbroll 550Pcs M2.5 Phillips Pan Head Machine Screws M2.5x4/5/6/8/10/12/16/20mm Metric 304 Stainless Steel Screw Fully T Versatile Assortment: Our set includes a wide variety of machine screws in different sizes:8 Sizes M2.5 most commonly usZmbroll Zmbroll 480Pcs M2 Hex Socket Cap Head Self Tapping Screws M2x4/5/6/8/10/12/14/16mm Black Socket Self Drilling Screw Alle Dimension Assortment: 8 Sizes M2 most commonly used size socket head cap self tapping screw,M2x4mm,5mm,6mm,8mm,10mm,12mmuxcell uxcell Machine Tap, #2-56 UNC 2B Class High Speed Steel Screw Thread Threading Milling Taps Tapping Tool 2pcs Thread Tap: Thread Size: #2-56 UNC; Class: 2B; Shank Side Width: 2.2mm / 0.1 inch; Thread Length: 12mm / 0.47 inch; TotaTiplusta 1/4" - 18 NPT Tapered Pipe Thread Tap, High Speed Steel Pipe Thread Tap,Thread Forming Taps ★Features - Using High-quality steel, high hardness quenching rigid and long service life; carbon steel pipe taps are deHillman The Hillman Group 81348 6-32 x 3/8-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwANCHOREASE ANCHOREASE 640PCS Machine Screws Assortment Kit, M2 M2.5 M3 M4 M5 Metric Phillips Pan Head Bolts Nuts and Washers Kit, S PACKAGE - The bolt box includes the following 9 common sizes, M2×6mm. M2.5×8mm. M3×8/12/16mm. M4×8mm/16mm. M5×8mm/16mm.Hillman The Hillman Group 81384 8-32 x 5/8-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwHillman The Hillman Group 81350 6-32 x 1/2-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwFilfeel FILFEEL 50Pcs Stainless Steel Self Tapping Thread Inserts, Thread Reinforcement Repair Tool with High Hardness and Vibra [Quick & Easy Installation] Installation is straightforward with just one assembly tool required. the self-tapping desigGlarks Glarks 5Pcs Stainless Steel Screw Thread Pitch Cutting Gauge Tool Set, 51Pcs America SAE Type + 52Pcs Metric & America S ★【What You Get】: In this thread pitch gauge kit, it include 51Pcs America SAE type, 52pcs metric and Inch type, 3pcs metRustark Rustark 390-Pcs #7 Coarse Thread Drywall Screw with Phillips Drive Black Oxide Finsh Bugle Head Wood Screws Assortment K ❤【SUPER-VALUE SET】--- We prepare 390pcs drywall screws for you to choose, sizes includes: 80pcs*#7*5/8''-16mm, 70pcs*#7*Hillman The Hillman Group 81354 6-32 x 3/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwHillman The Hillman Group 81412 10-24 x 1/2-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwZONADA ZONADA 5Pcs in Set Thread Metric Machine Hand Screw Thread Plug Taps Set Size M3 M4 M5 M6 M8 Tapping Threading Tool ZONADA 5Pcs in Set Thread Metric Machine Hand Screw Thread Plug Taps M3-M8 set. Length: M3:4.9cm M4:5cm M5:5.7cm M6:5.9cHillman The Hillman Group 81418 10-24 x 1-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwZmbroll Zmbroll M2 Silver Countersunk Head Self-Tapping Screws 650Pcs Phillips Drive Wood Screws Metric Sheet Metal Screws Carbo Our self tapping screws material:Made of high quality Carbon steel,with high hardness,anti-corrosion and good stability,Hillman The Hillman Group 81506 1/4-20 x 5/8-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screw31% Off Yosoo 200Pcs Self-Tapping Screw Assortment Stainless Steel Truss Self-Drilling Screw Kit Black with a Plastic Box These Self Tapping Screws are made of high quality stainless steel material, -resistant, corrosion-resistant, sturdy andBestgle Bestgle 10 Pcs Mini Hand Taps Set Screw Drill Tap Metric Thread Wire Tapping Drill Bits Screws Plug Tapping Bits Tool, M Total 10 pieces tap wrench with different metric sizes M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5.Hillman The Hillman Group 82116 1/4-20 x 3-Inch Flat Head Phillips F Thread Cutting Screw, 100-Pack Type "F" screwHillman The Hillman Group 82114 1/4-20 x 2-1/2-Inch Flat Head Phillips F Thread Cutting Screw, 100-Pack Type "F" screwZmbroll Zmbroll 560Pcs Flat Head M2.5 Machine Screws Countersunk 304 Stainless Steel Screw Full Thread Small Screws Fasteners Bo The flat electrical screw set include:9 Sizes M2.5 most commonly used size flat head screws,the length are ,4mm 5mm 6mmMultiple. Distributed through American National Standards Institute (ANSI) ASME B18.6.4-1998: Thread Forming And Thread Cutting Tapping Screws And Metallic Drive Screws - Inch BOROLA BOROLA 10 Sizes Self-Tapping Screws Assortment Kit, (3x3/8, 3x5/8, 3x3/4, 4x3/8, 4x5/8, 4x3/4, 4x1-1/4, 5x1/2, 5x3/4, 5x Comprehensive 10-in-1 Screw Set: Includes 100 pieces in 10 commonly used sizes—from 3mm to 5mm (3/8" to 1-1/4")—coveringHillman The Hillman Group 82112 1/4-20 x 2-Inch Flat Head Phillips F Thread Cutting Screw, 100-Pack Type "F" screwFafeicy Screws Nuts Assortment Kit Stainless Steel Full Thread Repair Stainless steel material features strength good performance high temperature cold weatherfixinus Fixinus Pack of 30 M8 x 1.25 mm Thread Repair Insert Kit, Stainless Steel Thread Repair Kit, Helicoil Coil Compatible Ha Thread repair kit: includes 25 x M8 thread inserts, 1 x nose breaking tool, 1 x installation tool, 1 x M8 tap drill, 1 xYakamoz Yakamoz Thread Repair Insert Kit, 30 PCS M8 x 1.25 mm Helical Coil Inserts Stripped Thread Repair Damaged Screw Threads 1. Convenience Installtion: Complete configuration, the drill bits quickly create room for the installation tools to smoHillman The Hillman Group 81552 3/8-16 x 1-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwHillman The Hillman Group 81532 5/16-18 x 3/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwZmbroll Zmbroll 1200Pcs Black Phillips Truss Head Self-Tapping Screws M1.2/1.4/1.5/1.7/2/2.3 Wafer Head Wood Screws Pan Head wit Our mini pan head self-Tapping screws with integrated washer screws material:Made of high quality Carbon steel,with highRustark Rustark 180Pcs [#8 3/8" to 1-1/2"] 304 Stainless Steel Countersunk Flat Head Phillips Cross Wood Screws Drive Self Tappi ☆【VARIOUS SIZES】--- We prepared 9 different sizes selected for you, includes: #8x3/8", #8x1/2", #8x5/8", #8x3/4", #8x1",Fafeicy Screws Nuts Assortment Kit Stainless Steel Full Thread Repair Stainless steel material features strength good performance high temperature cold weatherNaisfei Naisfei 240pc Stainless Steel Self-Tapping Screws Flat Head Assortment Set,M2x8 M2x10 M2.6x8 M3x12 Self Tapping Screws S ✔ You Will Receive: Each set includes 60pcs of M2x8, 60pcs M2x10, 60pcs M2.6x8, and 60pcs M3x12 screws.Hillman The Hillman Group 81536 5/16-18 x 1-1/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screw16% Off fasient 1000Pcs Self-Tapping Screws M1 M1.2 M1.4 M1.7 Stainless Steel Small Phillips Rounded Head Screws Set Assortment Kit with [Material] These self-tapping screws are made of stainless steel, these screws are and rust-resistant.Hillman The Hillman Group 81554 3/8-16 x 1-1/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screw32% Off Fabater 200pcs Self Tapping Screw, Metal Self Tapping Drill Screws Assortment Kit Set, with Storage Box Made of material, high strength and hardness, in use.Rustark Rustark 180-Pcs [#8 3/8" to 1-1/2"] 304 Stainless Steel Round Pan Head Phillips Cross Wood Screws Self Tapping Drilling ☆[PAN HEAD SCREW SIZES]: The packsge contains 9 different sizes selected for you, includes: #8x3/8", #8x1/2", #8x5/8", #Oneyijun Oneyijun 20 Pcs M5 x 30mm Self Tapping Wood Screws 304 Stainless Steel Mushroom Round Flanged Head Fasteners Drilling Sc Material: 304 Stainless Steel.Glarks Glarks 222Pcs Machine Screw Assortment Kit #6-32 Stainless Steel Phillips Pan Head Assorted Nuts Bolts and Flat Washers ★【What You Get】: In this kit, you will get 74pcs phillips pan head screws, 74pcs imperial hex nuts, 74pcs imperial flatHillman The Hillman Group 81536 5/16-18 x 1-1/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwHillman The Hillman Group 81554 3/8-16 x 1-1/4-Inch HWH Slotted F Thread Cutting Screw, 100-Pack Type "F" screwRustark Rustark 630Pcs 21 Sizes Phillips Flat Head Machine Screws Assortment Kit 304 Stainless Steel Countersunk Head Machine Sc 【 What You Get 】 --- You'll receive a 630pcs 21 sizes phillips flat head machine screws assortment kit. The flat head maMultiple. Distributed through American National Standards Institute (ANSI) ANSI/ASME B18.6.5M-2000: Metric Thread Forming and Thread Cutting Tapping Screws NUZAMAS 50 Pieces NUZAMAS 4.8 x 45mm Thread 304 Stainless Steel Self Drilling Tek Screw with Washer, for Wood, Metal Fastened Set of 50 NUZAMAS High-quality 304 stainless steel hexagon washer head self-drilling screws packageSwpeet Swpeet 80Pcs 6 Sizes M6 M8 Color Zinc Double Head Ended Screws Assortment Kit, Double Ended Screws, Wood Dowel Screw, Se 🥇 What You Get ------ In this kit, you will get 80Pcs 6 Sizes M6 M8 Color Zinc Double Head Ended Screws. Including M6×4Omabeta Omabeta 180PCS M3-M6 Self Tapping Screws Assortment with Storage Case, Stainless Steel Flat Head Self Tapping Screws Kit Multi-Purpose Fastening Solution - Ideal for electronics repair, woodworking projects, furniture assembly, and household15% Off HORUSDY HORUSDY Helicoil Thread Repair Kit | 300-Piece | Metric and SAE | HSS Drill Helicoil Repair Kit | Metric: M5 M6 M8 M10 M This Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads.EMSea EMSea 25 Pcs Hex Head Tek Self Tapping Screws 5.5-6mmx19mm with Captive Loose Washers Black Universal Self-Drilling Bolt Self-tapping screw with washer, 5.5-6mmx19mm thread size(dia x length), 8-9.5mm hex head diameter.