Alloy Steel Set Screws | McMaster-Carr

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Stainless Steel

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300 Series Stainless Steel

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3,781 Products

Set Screws

Steel Cup-Tip Set Screws

Steel Cup-Tip Set Screws

Grip parts tightly while standing up to wear and tear

Steel Flat-Tip Set Screws

Steel Flat-Tip Set Screws

Spread out holding power and protect surfaces from damage

Steel Extended-Tip Set Screws

Steel Extended-Tip Set Screws

The tip slides into mating holes to locate and hold components on shafts, tubing, and other surfaces

Steel Cone-Tip Set Screws

Steel Cone-Tip Set Screws

The pointed tip bites down on surfaces to permanently locate parts

Brass-Tip Steel Set Screws

Brass-Tip Steel Set Screws

A brass tip protects hard plastic and soft metal from scratches and gouges

Serrated-Locking Steel Cup-Tip Set Screws

Serrated-Locking Steel Cup-Tip Set Screws

The knurled edges dig deeper into material for a better grip than standard cup tips

Thread-Locking Steel Cup-Tip Set Screws

Thread-Locking Steel Cup-Tip Set Screws

Grip parts tightly and come with a threadlocker for extra protection against mild vibration

Easy-Adjust Steel Ball-Tip Set Screws

Easy-Adjust Steel Ball-Tip Set Screws

Keep pressure consistent on workpieces that aren't fully flat or parallel

Nylon-Tip Steel Set Screws

Nylon-Tip Steel Set Screws

A soft nylon tip secures delicate surfaces, such as glass, plastic, and polished metal

External-Square-Drive Steel Cup-Tip Set Screws

External-Square-Drive Steel Cup-Tip Set Screws

Large, flat sides prevent sockets from slipping

Steel Hollow-Tip Set Screws

Steel Hollow-Tip Set Screws

Thread over a pin or another set screw to lock it in place, or over a spring to adjust tension

Steel Oval-Tip Set Screws

Steel Oval-Tip Set Screws

Adjust as often as you need without scratching or gouging mating components

Self-Aligning Steel Swivel-Tip Set Screws

Self-Aligning Steel Swivel-Tip Set Screws

The tip on these screws pivots to conform to your workpiece's surface

Steel Extra-Long Extended-Tip Set Screws

Steel Extra-Long Extended-Tip Set Screws

Reach deep into mating holes for a firm hold

External-Square-Drive Steel Extended-Tip Set Screws

External-Square-Drive Steel Extended-Tip Set Screws

Locate and hold parts with a drive that prevents sockets from slipping

Precision-Adjust Stainless Steel Ball-Tip Set Screws

Precision-Adjust Stainless Steel Ball-Tip Set Screws

These set screws make the finest adjustments of any we sell

Steel Cup-Tip Set Screw Assortments

Steel Cup-Tip Set Screw Assortments

Keep a range of sizes on hand to fasten a variety of machinery and equipment

Thread-Locking Steel Flat-Tip Set Screws

Thread-Locking Steel Flat-Tip Set Screws

Spread out clamping force and add extra protection against mild vibration

Tight-Clearance Self-Aligning Steel Swivel-Tip Set Screws

Tight-Clearance Self-Aligning Steel Swivel-Tip Set Screws

A low-profile tip fits in compact areas where space is limited

Slotted Steel Flat-Tip Set Screws

Slotted Steel Flat-Tip Set Screws

The strongest slotted drive set screws we offer

External-Hex-Drive Steel Extended-Tip Set Screws

External-Hex-Drive Steel Extended-Tip Set Screws

Six contact points withstand more torque than external square drives

Thread-Locking Steel Extended-Tip Set Screws

Thread-Locking Steel Extended-Tip Set Screws

Add extra protection against mild vibration when locating and holding components

Self-Aligning Steel Removable-Swivel-Tip Set Screws

Self-Aligning Steel Removable-Swivel-Tip Set Screws

Boost your screw's gripping power without increasing its thread size

Other Products

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Tighten and loosen by hand without the need for tools

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)