10 Pieces M5-0.8x25 Class 45H Knurled Cup Point Allen Socket Set Screws Black Oxide, 10PK

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Hex Cap Screws feature a washer face under the head,which creates a better seal when applying load.

.110 Pieces 5/16in-18x3/4in Square Head Bolts Grade A307 Hot Dip Galvanized, 110PK Square Head Bolts have square-shaped external wrenching heads, which offer a large bearing area for positive gripping.

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.These screws are most commonly used on tralier or deck floorboard applications.

Instead of the hexagonal head, the 12 point flange bolt is tailor-fitted to accommodate socket head cap screw.15 Pieces 1/2-13x2in Alloy 12 Point Flange Screws Black Oxide, 15PK You can see this bolt in automotive, mining, aircraft, and manufacturing..

Alloy Knurled Cup Point Set Screws feature serrated ridges or knurls in the indented cup that bite into the contact material and effectively lock in place for a powerful grip that resists loosening caused by vibration..

30 Pieces 7/16-14x3in Grade 8 Hex Flange Frame Bolts Phos & Oil, 30PK Grade 8 Non serrated hex flange bolts have a smooth, non-rotating washer attached that does not bite into the surface it's being mounted to..

Alloy Knurled Cup Point Set Screws feature serrated ridges or knurls in the indented cup that bite into the contact material and effectively lock in place for a powerful grip that resists loosening caused by vibration..

30 Pieces 7/16-14x3in Grade 8 Hex Flange Frame Bolts Phos & Oil, 30PK Grade 8 Non serrated hex flange bolts have a smooth, non-rotating washer attached that does not bite into the surface it's being mounted to..