4-40 Set Screws | McMaster-Carr

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193 Products

Set Screws

Stainless Steel Cup-Tip Set Screws

Stainless Steel Cup-Tip Set Screws

These corrosion-resistant cup-tip screws grip parts tightly

Steel Cup-Tip Set Screws

Steel Cup-Tip Set Screws

Grip parts tightly while standing up to wear and tear

Stainless Steel Flat-Tip Set Screws

Stainless Steel Flat-Tip Set Screws

These corrosion-resistant screws spread out holding power and protect surfaces from damage

Nylon-Tip Stainless Steel Set Screws

Nylon-Tip Stainless Steel Set Screws

These corrosion-resistant screws have a soft nylon tip to secure delicate surfaces

Plastic Flat-Tip Set Screws

Plastic Flat-Tip Set Screws

Softer than metal to keep surfaces from being scratched or dented

Steel Flat-Tip Set Screws

Steel Flat-Tip Set Screws

Spread out holding power and protect surfaces from damage

Stainless Steel Cone-Tip Set Screws

Stainless Steel Cone-Tip Set Screws

Our most corrosion-resistant cone-tip set screws

Stainless Steel Extended-Tip Set Screws

Stainless Steel Extended-Tip Set Screws

Our most corrosion-resistant extended-tip set screws

Steel Cone-Tip Set Screws

Steel Cone-Tip Set Screws

The pointed tip bites down on surfaces to permanently secure parts

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

Stainless Steel Oval-Tip Set Screws

Stainless Steel Oval-Tip Set Screws

The most corrosion-resistant oval-tip set screws we offer

Brass Cup-Tip Set Screws

Brass Cup-Tip Set Screws

Conductive and nonmagnetic, these cup-tip screws are ideal for securing electrical assemblies

Stainless Steel Extra-Long Extended-Tip Set Screws

Stainless Steel Extra-Long Extended-Tip Set Screws

Our most corrosion-resistant extra-long extended-tip set screws

Slotted Plastic Flat-Tip Set Screws

Slotted Plastic Flat-Tip Set Screws

Keep surfaces from being scratched or dented and turn the drive with everyday tools

Brass-Tip Steel Set Screws

Brass-Tip Steel Set Screws

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

Stainless Steel Hollow-Tip Set Screws

Stainless Steel Hollow-Tip Set Screws

Our most corrosion-resistant hollow-tip set screws

Thread-Locking Stainless Steel Cup-Tip Set Screws

Thread-Locking Stainless Steel Cup-Tip Set Screws

These corrosion-resistant screws come with a threadlocker for added protection against mild vibration

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

Nylon-Tip Steel Set Screws

Nylon-Tip Steel Set Screws

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

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

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

Brass-Tip Stainless Steel Set Screws

Brass-Tip Stainless Steel Set Screws

A brass tip protects surfaces from scratches and gouges when fastening in corrosive environments

Venting Stainless Steel Cup-Tip Set Screws

Venting Stainless Steel Cup-Tip Set Screws

Prevent the buildup of pressure or vacuum in sealed spaces

Serrated-Locking Stainless Steel Cup-Tip Set Screws

Serrated-Locking Stainless Steel Cup-Tip Set Screws

These corrosion-resistant screws have knurled edges that grip better than standard cup tips

Steel Oval-Tip Set Screws

Steel Oval-Tip Set Screws

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

Silver-Tip Stainless Steel Set Screws

Silver-Tip Stainless Steel Set Screws

The best holding power of all of our nonmarring set screws

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

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