60 Pieces 1/4-20x1-1/2in Combo Round Head Machine Screws Steel Zinc, 60PK

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Phillips Flat Head machine screws have a flat top with a conical bearing surface andare commonly used in countersunk holes where the screw head must sit flush with the surface of the material.

.These screws have a wide, domed head with a flat undersideand a point that can cut new threads in a pre-drilled hole in thicker metal.

.30 Pieces 1/4-20x2in Round Head Square Neck Elevator Bolts Zinc, 30PK Elevator bolts are threaded fasteners consisting of a threaded shank and a thin round head.

Socket Cap Screws are known for their high tensile strength and durability, and are commonly used in applications such as machinery, automobiles, and heavy equipment..

Grade8 Hex Cap Screws have6 radial lines on the head, and can withstand a minumum of 150,000 PSI tensile strength..125 Pieces 1/2-20x1in Hex Head Cap Screws Grade 8 Zinc Yellow, 125PK The most common setup for these bolts would contain a Bolt, 2 Flat Washers, Hex Nut or Hex Lock Nut, and/or Split Lock Washer.

150 Pieces 1/4-20x1-3/4in 18-8 Stainless Steel Flat Head Socket Cap Screws, 150PK Flat Socket Cap Screws are countersunk and expose none of their head above the mating surface..

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150 Pieces 1/4-20x1-3/4in 18-8 Stainless Steel Flat Head Socket Cap Screws, 150PK Flat Socket Cap Screws are countersunk and expose none of their head above the mating surface..

Combo Round Head Machine Screws have a round head which can be driven using either a Phillips or slotted screwdriver.They are primarily used to fasten metal parts together.