Cold Headers
Cold Headers
5514 N. Elston Ave
Chicago, IL 60630
Phone: 1-773-775-7900
Fax: 1-773-775-0779
Email: sales@coldheaders.com
Website: www.coldheaders.com
Working Hours: Mon - Fri 8:00am - 4:30pm CST
Saturday - Sunday CLOSED If you have any questions, please call or email us.
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18-8 Stainless Steel Cup Point Socket Set Screws with Nylon Insert

18-8 stainless steel cup point socket set screws with nylon insert combine the holding characteristics of a cup point set screw with a factory-installed nylon locking element that provides prevailing torque during installation. The recessed cup point creates localized rim contact with the mating surface, while the nylon insert helps increase resistance to thread loosening caused by vibration, repeated movement, and dynamic loading. The internal hex drive allows installation where external wrench clearance is limited.

Manufactured from 18-8 stainless steel, these fasteners provide general corrosion resistance for many industrial environments exposed to moisture, humidity, or routine washdown. They are commonly used to secure collars, hubs, gears, pulleys, sprockets, knobs, handles, couplings, and other shaft-mounted components in machinery, automation equipment, conveyors, instrumentation, processing equipment, maintenance repairs, and OEM assemblies.

Cup point geometry is frequently selected where concentrated contact with the mating surface is desired. Depending on the shaft material and installation conditions, the point may leave a witness mark or shallow indentation on the contacted surface. Proper fastener selection should consider thread size, screw length, hex socket size, mating material, installation access, acceptable surface marking, and the desired level of prevailing torque. The nylon insert provides prevailing torque but should not be considered a substitute for proper joint design or installation practices.

Cold Headers supplies 18-8 stainless steel cup point socket set screws with nylon insert in a broad range of inch thread sizes and lengths, including uncommon and difficult-to-source configurations. Individual product pages provide verified thread size, screw length, nominal diameter, hex socket size, cup point dimensions, and additional engineering information where available.

Why Choose Cup Point Socket Set Screws with Nylon Insert?

  • Factory-installed nylon insert: Provides prevailing torque to help resist thread loosening.
  • Cup point geometry: Creates localized rim contact with the mating surface.
  • 18-8 stainless steel: Offers general corrosion resistance for many industrial environments.
  • Internal hex drive: Allows installation where external wrench clearance is limited.
  • Verified engineering dimensions: Product pages provide thread size, length, nominal diameter, hex socket size, and cup point dimensions where available.

Selecting the Correct Cup Point Socket Set Screw

Begin by confirming the required thread size and screw length. Review the hex socket size, mating material, installation clearance, operating environment, acceptable surface marking, and assembly requirements before selecting a fastener. Final selection should reflect the mechanical and environmental requirements of the completed assembly.

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

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

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Unit of Measure
1 2 3 4 

Item #

Item Name

Diameter

Length

Material

Quantity

List Price (per 100 pieces)

10-24 x 1/4 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 1/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 1/4 in N/A 18-8 Stainless Steel N/A 100 $63.00
10-24 x 5/16 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 5/16 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 5/16 in N/A 18-8 Stainless Steel N/A 100 $63.25
10-24 x 3/8 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 3/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 3/8 in N/A 18-8 Stainless Steel N/A 100 $63.50
10-24 x 1/2 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 1/2 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 1/2 in N/A 18-8 Stainless Steel N/A 100 $64.00
10-24 x 5/8 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 5/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 5/8 in N/A 18-8 Stainless Steel N/A 100 $64.50
10-24 x 3/4 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 3/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 3/4 in N/A 18-8 Stainless Steel N/A 100 $67.00
10-24 x 1 SSSH Cup Point 18-8 with Nylon Insert N/A 10-24 Diameter and 1 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-24 N/A 1 in N/A 18-8 Stainless Steel N/A 100 $74.00
10-32 x 3/16 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 3/16 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 3/16 in N/A 18-8 Stainless Steel N/A 100 $65.00
10-32 x 1/4 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 1/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 1/4 in N/A 18-8 Stainless Steel N/A 100 $63.00
10-32 x 5/16 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 5/16 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 5/16 in N/A 18-8 Stainless Steel N/A 100 $63.25
10-32 x 3/8 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 3/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 3/8 in N/A 18-8 Stainless Steel N/A 100 $63.50
10-32 x 1/2 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 1/2 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 1/2 in N/A 18-8 Stainless Steel N/A 100 $64.00
10-32 x 5/8 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 5/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 5/8 in N/A 18-8 Stainless Steel N/A 100 $64.50
10-32 x 3/4 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 3/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 3/4 in N/A 18-8 Stainless Steel N/A 100 $67.00
10-32 x 1 SSSH Cup Point 18-8 with Nylon Insert N/A 10-32 Diameter and 1 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 10-32 N/A 1 in N/A 18-8 Stainless Steel N/A 100 $74.00
1/4-20 x 1/4 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 1/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 1/4 in N/A 18-8 Stainless Steel N/A 100 $69.00
1/4-20 x 5/16 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 5/16 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 5/16 in N/A 18-8 Stainless Steel N/A 100 $66.00
1/4-20 x 3/8 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 3/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 3/8 in N/A 18-8 Stainless Steel N/A 100 $66.25
1/4-20 x 1/2 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 1/2 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 1/2 in N/A 18-8 Stainless Steel N/A 100 $66.50
1/4-20 x 5/8 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 5/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 5/8 in N/A 18-8 Stainless Steel N/A 100 $66.75
1/4-20 x 3/4 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 3/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 3/4 in N/A 18-8 Stainless Steel N/A 100 $67.00
1/4-20 x 1 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-20 Diameter and 1 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-20 N/A 1 in N/A 18-8 Stainless Steel N/A 100 $71.50
1/4-28 x 1/4 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-28 Diameter and 1/4 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-28 N/A 1/4 in N/A 18-8 Stainless Steel N/A 100 $73.00
1/4-28 x 5/16 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-28 Diameter and 5/16 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-28 N/A 5/16 in N/A 18-8 Stainless Steel N/A 100 $70.25
1/4-28 x 3/8 SSSH Cup Point 18-8 with Nylon Insert N/A 1/4-28 Diameter and 3/8 Inch (in) Length Cup Point 18-8 Stainless Steel Socket Head Set Screw with Nylon Insert N/A 1/4-28 N/A 3/8 in N/A 18-8 Stainless Steel N/A 100 $70.50
Unit of Measure
1 2 3 4