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Standard Machine Screws

568 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.

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.

Thread Size

Pan Head Machine Screws

Pan Head Machine Screws

Pan head machine screws have a flat or slightly rounded top that gives a neat appearance on visible metal joints. They are used anywhere a larger screw head might get stuck or would appear out of place. These machine screws work best in materials that are thin or are not frequently accessed to avoid damage to their heads.

Plain Steel

Phillips Drive

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Black Oxide Steel

Phillips Drive

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Zinc Plated Steel

Phillips Drive

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Torx Drive

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Slotted Drive

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Plain Stainless Steel

Phillips Drive

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Plain 18-8 Stainless Steel

Phillips Drive

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Slotted Drive

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Combination Slotted/Phillips Drive Includes Pilot Point

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Black Oxide 18-8 Stainless Steel

Phillips Drive

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Advanced Corrosion Resistance 18-8 Stainless Steel

Phillips Drive

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Plain 316 Stainless Steel

Phillips Drive

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Plain Brass

Slotted Drive

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Plain Nylon

Phillips Drive

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Slotted Drive

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Plain PEEK

Phillips Drive

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Slotted Drive

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Plain Polycarbonate

Phillips Drive

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Flat Head Machine Screws

Flat Head Machine Screws
These machine screws have deeply sunk heads with flat top surfaces for fastening flatly against sides of metal joints and equipment. These screws sit flush against the surface of panels and electrical components for a finished look.

Black Oxide Steel

Phillips Drive

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Zinc Plated Steel

Phillips Drive

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Slotted Drive

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Slotted Drive Includes Nut

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Plain 18-8 Stainless Steel

Phillips Drive

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Phillips Drive Includes Pilot Point

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Slotted Drive

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Black Oxide 18-8 Stainless Steel

Phillips Drive

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Advanced Corrosion Resistance 18-8 Stainless Steel

Phillips Drive

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Plain 316 Stainless Steel

Phillips Drive

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Plain Brass

Phillips Drive

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Slotted Drive

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Plain Nylon

Slotted Drive

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Plain PEEK

Slotted Drive

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Round Head Machine Screws

Round Head Machine Screws

Round head machine screws have a slightly domed top for easy-access fastening to metal parts. They offer an attractive smooth finish and come in slotted or Phillips drive types.

Plain Stainless Steel

Slotted Drive

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Zinc Plated Steel

Phillips Drive

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Slotted Drive

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Combination Slotted/Phillips Drive

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Plain 18-8 Stainless Steel

Phillips Drive

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Slotted Drive

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Plain Brass

Slotted Drive

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Plain Nylon

Slotted Drive

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Truss Head Machine Screws

Truss Head Machine Screws

Truss head machine screws have wide, slightly round heads and wider bodies under the head to fasten thin materials to metal substrates. They are used in construction to fasten thin plates to rafters and for attaching the back of cabinets to steel studs.

Zinc Plated Steel

Phillips Drive

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Slotted Drive

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Advanced Corrosion Resistance Steel

Torx Drive

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Plain 18-8 Stainless Steel

Phillips Drive

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Slotted Drive

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Advanced Corrosion Resistance 18-8 Stainless Steel

Phillips Drive

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Oval Head Machine Screws

Oval Head Machine Screws

Oval head machine screws have deeply sunk heads with rounded tops, making them less noticeable from the surfaces they join. The oval style is more decorative than other machine screw options.

Plain Steel

Phillips Drive

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Zinc Plated Steel

Phillips Drive

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Slotted Drive

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Plain 18-8 Stainless Steel

Phillips Drive

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Slotted Drive

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Stainless Steel

Phillips Drive

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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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Fillister Head Machine Screws

Fillister Head Machine Screws

Fillister head machine screws are most frequently used in counterbore holes to fasten equipment. They have a rounded top surface with a slightly domed profile and round sides. The longer side height distinguishes a fillister head from a pan head. Although the cheese head and fillister are very similar machine screws, the dome top of the fillister creates an overall deeper head for stronger connections.

Zinc Plated Steel

Phillips Drive

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Slotted Drive

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Plain 18-8 Stainless Steel

Phillips Drive

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Slotted Drive

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Plain 316 Stainless Steel

Phillips Drive

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Plain Nylon

Phillips Drive

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Slotted Drive

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Binding Head Machine Screws

Binding Head Machine Screws

These binding screws help make firm electrical connections or bind thick materials together. They have rounded top surfaces with slightly tapered sides. The bearing surfaces are flat, and the slotted drive type has a raised ring cut into the shank for tight fastening.

Plain 18-8 Stainless Steel

Slotted Drive

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Plain Nylon

Slotted Drive

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