Nylon and Brass Tip Alloy Steel Socket Set Screws

Nylon tip and brass tip alloy steel socket set screws are headless threaded fasteners designed for applications where contact with the mating surface benefits from a softer tip material than steel. The internal hex drive allows installation where external wrench clearance is limited, while the replaceable nylon or brass tip provides a bearing surface intended for applications requiring repeated adjustment, positioning, or contact with finished components. These fasteners install flush with or below the surrounding surface for a clean, compact assembly.

Manufactured with an alloy steel body, these socket set screws are intended for demanding industrial mechanical applications. Nylon tip and brass tip designs are commonly selected for collars, hubs, pulleys, shafts, adjustment mechanisms, guides, fixtures, machine components, automation equipment, tooling, maintenance repairs, and OEM manufacturing where a softer point of contact is preferred over hardened steel.

Proper fastener selection should consider thread size, screw length, hex socket size, tip material, mating material, installation access, and service conditions. Individual product pages provide verified engineering dimensions, including thread size, screw length, nominal diameter, hex socket size, and additional engineering information where available to assist engineers and purchasing professionals in selecting the appropriate fastener.

Cold Headers supplies nylon tip and brass tip alloy steel socket set screws in a broad range of inch thread sizes and lengths, including standard, uncommon, and difficult-to-source configurations. Our catalog is organized to simplify exact-size sourcing while providing consistent engineering information across every product family.

Why Choose Nylon and Brass Tip Alloy Steel Socket Set Screws?

  • Nylon and brass tip options: Designed for applications requiring a softer point of contact than steel.
  • Internal hex drive: Allows installation using standard hex keys where external wrench clearance is limited.
  • Alloy steel body: Intended for demanding industrial mechanical applications.
  • Broad industrial applications: Commonly used on collars, shafts, adjustment mechanisms, fixtures, tooling, automation equipment, and OEM assemblies.
  • Verified engineering dimensions: Product pages provide thread size, screw length, nominal diameter, hex socket size, and additional engineering information where available.

Selecting the Correct Nylon or Brass Tip Socket Set Screw

Begin by confirming the required thread size and screw length. Review the desired tip material, mating component, installation clearance, operating environment, and assembly requirements before selecting a fastener. Final selection should reflect the functional requirements of the completed assembly.

Cold Headers Inc. has supplied specialty industrial socket fasteners since 1962. Our catalog helps engineers, distributors, maintenance professionals, and purchasing teams locate exact sizes, uncommon lengths, and difficult-to-find nylon tip and brass tip socket set screws without unsupported inventory claims.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

Request Information Search by Specification
Unit of Measure
Items
set-screw-nylon-tip-brass-tip.png

4-40 x 1/8 Nylon Tip Alloy Steel Socket Set Screw
List Price (per 100 pieces) Call or Email for Pricing
set-screw-nylon-tip-brass-tip.png

4-40 x 3/16 Nylon Tip Alloy Steel Socket Set Screw
List Price (per 100 pieces) Call or Email for Pricing
set-screw-nylon-tip-brass-tip.png

4-40 x 1/4 Nylon Tip Alloy Steel Socket Set Screw
List Price (per 100 pieces) Call or Email for Pricing
set-screw-nylon-tip-brass-tip.png

4-40 x 5/16 Nylon Tip Alloy Steel Socket Set Screw
List Price (per 100 pieces) Call or Email for Pricing
set-screw-nylon-tip-brass-tip.png

4-40 x 3/8 Nylon Tip Alloy Steel Socket Set Screw
List Price (per 100 pieces) Call or Email for Pricing
Description N/A

4-40 x 1/8 is a nylon tip alloy steel socket set screw built for set-screw fastening where a soft contact face is preferred over a hardened point.

Typical uses include polished shaft collars, small hubs, and replacement collars on finished round stock. The soft tip concentrates contact at the end of the screw while avoiding the harsher bite of an untreated alloy point. Nylon is the softer contact choice for delicate finishes and repeated adjustment.

Cold Headers installs nylon and brass tips at its Chicago facility for set screws and cap screws when a tipped configuration is required. The soft tip concentrates contact at the end of the screw while avoiding the harsher bite of an untreated alloy point.

Technical Highlights

  • Point: Nylon tip (soft contact face)
  • Body Material: Alloy Steel
  • Tip Material: Nylon
  • Thread Size: 4-40
  • Thread Fit: 3A
  • Length: 1/8 in. (threaded body)
  • Tip Diameter (A): 1/16 in.
  • Tip Length (C): 1/32 in.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

 		N/A

For finished parts that need a softer bearing face, 4-40 x 3/16 supplies an alloy steel socket set screw with a nylon tip matched to the row's verified dimensions.

Typical uses include machine-tool stops on finished ways, fixture pads, and locating features used during setup. Buyers should confirm the tip material, thread fit, thread size, and threaded body length against the drawing before substitution. Nylon is the softer contact choice for delicate finishes and repeated adjustment.

Cold Headers supports set-screw users with application-aware sizing help and a catalog built around specialty socket products. That makes it useful when the set screw must bear on a finished or plated part and later be adjusted again.

Technical Highlights

  • Point: Nylon tip (soft contact face)
  • Body Material: Alloy Steel
  • Tip Material: Nylon
  • Thread Size: 4-40
  • Thread Fit: 3A
  • Length: 3/16 in. (threaded body)
  • Tip Diameter (A): 1/16 in.
  • Tip Length (C): 1/32 in.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

 		N/A

4-40 x 1/4 combines an alloy steel socket set screw body with a nylon tip for applications where the contact surface matters as much as the thread and length.

Typical uses include robotics joints on finished shafts, compact pivots, and controlled-contact positioning details. The alloy body is the dry-service workhorse choice when the bill of material calls for an alloy socket set screw with a soft face. Nylon is the softer contact choice for delicate finishes and repeated adjustment.

Cold Headers brings decades of socket fastener experience to tipped screws used in maintenance, production, and repair work. For thread locking rather than surface protection, Alloy Set Screws with Nylon Insert solve a different job than nylon or brass tip screws.

Technical Highlights

  • Point: Nylon tip (soft contact face)
  • Body Material: Alloy Steel
  • Tip Material: Nylon
  • Thread Size: 4-40
  • Thread Fit: 3A
  • Length: 1/4 in. (threaded body)
  • Tip Diameter (A): 1/16 in.
  • Tip Length (C): 1/32 in.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

 		N/A

When the print calls for a tipped set screw rather than a cup point, 4-40 x 5/16 gives buyers a nylon contact face on an alloy steel body.

Typical uses include lead screws, ball screws, racks, and adjustment stops that are reset during setup. The 3A thread fit keeps the screw in the precision set-screw class while the tip changes the way the end contacts the part. Nylon is the softer contact choice for delicate finishes and repeated adjustment.

The Chicago tip-installation service lets Cold Headers support both catalog tipped screws and related cap screw tipping work. For humid or washdown service, compare the Nylon and Brass Tip 18-8 Stainless Socket Set Screws family; this page remains the alloy-body route.

Technical Highlights

  • Point: Nylon tip (soft contact face)
  • Body Material: Alloy Steel
  • Tip Material: Nylon
  • Thread Size: 4-40
  • Thread Fit: 3A
  • Length: 5/16 in. (threaded body)
  • Tip Diameter (A): 1/16 in.
  • Tip Length (C): 1/32 in.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

 		N/A

4-40 x 3/8 is specified for dry-service set-screw work where the screw must hold adjustment while reducing direct steel-on-part contact.

Typical uses include semiconductor tooling, electronics fixtures, and light mechanical assemblies with finished contact surfaces. The internal socket drive keeps installation compact and leaves no external head projecting from the assembly. Nylon is the softer contact choice for delicate finishes and repeated adjustment.

Cold Headers keeps alloy tipped set screws organized by thread, length, and tip material so the correct replacement can be found quickly. For maximum bite instead of surface protection, the related cup point alloy set screw family is the better comparison.

Technical Highlights

  • Point: Nylon tip (soft contact face)
  • Body Material: Alloy Steel
  • Tip Material: Nylon
  • Thread Size: 4-40
  • Thread Fit: 3A
  • Length: 3/8 in. (threaded body)
  • Tip Diameter (A): 1/16 in.
  • Tip Length (C): 1/32 in.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
Brands N/A Cold Headers, Inc.
Thread Diameter N/A 4-40
Thread Length N/A 1/8 in N/A 3/16 in N/A 1/4 in N/A 5/16 in N/A 3/8 in
Tip Diameter (A) N/A 1/16 in
Tip Length (C) N/A 1/32 in
Tip Material N/A Nylon
Quantity N/A
Package Type N/A
Note N/A Less Than Package Quantity Specified Plus 25%. Per Each Base On Quantity