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Standard Machine Screws

65 products

These screws join metal objects together through existing tapped holes and are typically used in high-volume automotive or machinery assembly and repair because of their uniformity. They are smaller than most screws. Machine screws are identified by threading that remains the same size from the top of the screw to the bottom.

Drive

Hex Head Machine Screws

Hex Head Machine Screws
Hex head machine screws allow for more high-torque tightening than other types of machine screws. They have six flat sides and a flat, indented hexagonal top. They are most commonly made in smaller sizes to be used in high-volume assembly applications. Hex heads may be slotted for tightening with a screwdriver or unslotted for tightening with a socket wrench. These screws can be used with nuts or in prethreaded holes with a matching thread pitch.

Zinc Plated Steel

External Hex Drive

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Plain 18-8 Stainless Steel

External Hex Drive

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Plain Nylon

External Hex Drive

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Machine Screw Assortments

Machine Screw Assortments
These assortments include a variety of machine screws in many sizes, grades, and designs for high-volume repair and assembly work. Buying assortments helps ensure screws are on hand when needed.

Inch

Steel

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Alloy Steel

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Stainless Steel

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.