1/4"-28 Set Screws | McMaster-Carr

Filter by

System of Measurement

Length

Tip Type

Material

Stainless Steel

Fastener Head Type

Finish

Drive Style

Spring Plunger Driver

Drive Size

Thread Spacing

Thread Type

Locking Type

Without Threadlocker

Specifications Met

Fed. Spec. QQ-P-35

Thread Direction

Tip Material

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

Hardness

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

Tip Length

Tip Diameter

Performance

Chemical Resistant

Corrosion Resistant

Vibration Resistant

Cone Point Angle

How can we improve?

194 Products

Set Screws

Steel Cup-Tip Set Screws

Steel Cup-Tip Set Screws

Grip parts tightly while standing up to wear and tear

Stainless Steel Cup-Tip Set Screws

Stainless Steel Cup-Tip Set Screws

These corrosion-resistant cup-tip screws grip parts tightly

Steel Flat-Tip Set Screws

Steel Flat-Tip Set Screws

Spread out holding power and protect surfaces from damage

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

Steel Cone-Tip Set Screws

Steel Cone-Tip Set Screws

The pointed tip bites down on surfaces to permanently locate parts

Stainless Steel Cone-Tip Set Screws

Stainless Steel Cone-Tip Set Screws

Our most corrosion-resistant cone-tip set screws

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

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

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 Extended-Tip Set Screws

Stainless Steel Extended-Tip Set Screws

Our most corrosion-resistant extended-tip set screws

Brass-Tip Steel Set Screws

Brass-Tip Steel Set Screws

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

Steel Oval-Tip Set Screws

Steel Oval-Tip Set Screws

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

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

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

Brass Cup-Tip Set Screws

Brass Cup-Tip Set Screws

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

Nylon-Tip Steel Set Screws

Nylon-Tip Steel Set Screws

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

Plastic Flat-Tip Set Screws

Plastic Flat-Tip Set Screws

Softer than metal to keep surfaces from being scratched or dented

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

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

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

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

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

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