Feature
●Head Type: Button; Thread Diameter: 4mm; Thread Pitch: 0.7mm; Drive Type: internal allen hex; Driver wrench: 2.5mm; UNC Full Thread
●Length 8mm to 40mm: this cap screws kit include sizes M4 x 8/10/12/20/25/30/35/40mm button head screws bolts with matching washers and nuts.
●Quantity: the metric M4 screws kit contains 8 various sizes of the most in-demand models alloy steel button head socket screws nuts washers, totally 418pcs
●Great Performance: 10.9 grade alloy steel, which features high hardness, good wear resistance, good leak-proof effect, with good fatigue resistance for long time use.
●Easy to Get the Exact Sizes: The bolts and nuts come in a portable firm clear box with corresponding sizes label. It is convenient for you to put away and store, which allow you to get the one you need quickly, improving your project efficiently
[M4 button]
[M4 socket]
Description
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| M3 socket screws | 1/4-20 button screws | 5/16-18 button screws | M2 M3 M4 M5 Flat head screws | M8-1.25 button screws | #8-32 #10-24 button screws | |
| Sizes | M3 | 1/4-20 | 5/16-18 | M2 M3 M4 M5 | M8-1.25 | #8-32 #10-24 |
| Quantity | 328pieces | 300pieces | 115pieces | 940pieces | 135pieces | 435pieces |
| Material | 12.9 Grade Alloy Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel |
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| Flat Head Phillips Machine Screws | Grade 8 Bolt Nut | Hex Lag Bolts | Grade 8 Bolt Nut | Hex Lag Bolts | set screw | |
| Quantity | 900pieces | 555pieces | 108pieces | 467pieces | 56pieces | 390 pieces |
| Sizes | M3 M4 M5 | 1/4-20, 5/16-18, 3/8-16, 1/2-13 | 1/4 x 1" to 3" | 1/4-20 5/16-18 3/8-16 | 5/16 x 1-1/2" to 3-1/2" | 4-40, 6-32, 8-32, 10-24, 1/4"-20, 5/16"-18, 3/8"-16 |
| Material | Alloy Steel | Grade 8 Alloy Steel | 304 Stainless Steel, Black Oxidized | Grade 8 Alloy Steel | 304 Stainless Steel, Black Oxidized | Alloy Steel |