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Flat Point Alloy Steel Socket Set Screws with Nylon Insert

Flat point alloy steel socket set screws with nylon insert combine the smooth bearing surface of a flat point set screw with a factory-installed nylon locking element that provides prevailing torque during installation. The flat point is designed to contact the mating surface without the concentrated penetration associated with pointed styles, 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 alloy steel, these socket set screws are intended for demanding industrial mechanical applications requiring secure positioning with reduced surface marking. Flat point designs are commonly selected for collars, hubs, pulleys, gears, knobs, adjustment mechanisms, guides, fixtures, and other shaft-mounted components where repeated repositioning or protection of the mating surface is an important consideration. They are widely used in machinery, automation equipment, power transmission systems, conveyors, maintenance repairs, tooling, and OEM manufacturing.

Proper fastener selection should consider thread size, screw length, hex socket size, mating material, installation access, acceptable holding characteristics, 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. The nylon insert provides prevailing torque but should not be considered a substitute for proper joint design or installation practices.

Cold Headers supplies flat point alloy steel socket set screws with nylon insert 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 Flat Point Alloy Steel Socket Set Screws with Nylon Insert?

  • Factory-installed nylon insert: Provides prevailing torque to help resist thread loosening.
  • Flat point geometry: Provides broad bearing contact with reduced surface marking compared to pointed styles.
  • Alloy steel construction: Intended for demanding industrial mechanical applications.
  • Internal hex drive: Allows installation where external wrench clearance is limited.
  • Verified engineering dimensions: Product pages provide thread size, screw length, nominal diameter, hex socket size, and additional engineering information where available.

Selecting the Correct Flat 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, and assembly requirements before selecting a fastener. Flat point socket set screws should not be substituted automatically for cup point, cone point, oval point, knurled cup point, half dog point, or full dog point designs because each point geometry serves a different mechanical function.

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 alloy steel 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
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Item #

Item Name

Diameter

Length

Material

Quantity

List Price (per 100 pieces)

5/16-18 x 3/16 SSS Flat Point Alloy NI N/A 5/16-18 x 3/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 3/16 in N/A Nylon N/A 100 Call or Email for Pricing
5/16-18 x 1/4 SSS Flat Point Alloy NI N/A 5/16-18 x 1/4 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 1/4 in N/A Nylon N/A 100 Call or Email for Pricing
5/16-18 x 5/16 SSS Flat Point Alloy NI N/A 5/16-18 x 5/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 5/16 in N/A Nylon N/A 100 $58.00
5/16-18 x 3/8 SSS Flat Point Alloy NI N/A 5/16-18 x 3/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 3/8 in N/A Nylon N/A 100 $56.00
5/16-18 x 7/16 SSS Flat Point Alloy NI N/A 5/16-18 x 7/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 7/16 in N/A Nylon N/A 100 $57.00
5/16-18 x 1/2 SSS Flat Point Alloy NI N/A 5/16-18 x 1/2 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 1/2 in N/A Nylon N/A 100 $58.00
5/16-18 x 5/8 SSS Flat Point Alloy NI N/A 5/16-18 x 5/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 5/8 in N/A Nylon N/A 100 $58.50
5/16-18 x 3/4 SSS Flat Point Alloy NI N/A 5/16-18 x 3/4 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 3/4 in N/A Nylon N/A 100 $59.00
5/16-18 x 7/8 SSS Flat Point Alloy NI N/A 5/16-18 x 7/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 7/8 in N/A Nylon N/A 100 $63.00
5/16-18 x 1 SSS Flat Point Alloy NI N/A 5/16-18 x 1 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-18 N/A 1 in N/A Nylon N/A 100 $64.00
5/16-24 x 3/16 SSS Flat Point Alloy NI N/A 5/16-24 x 3/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 3/16 in N/A Nylon N/A 100 Call or Email for Pricing
5/16-24 x 1/4 SSS Flat Point Alloy NI N/A 5/16-24 x 1/4 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 1/4 in N/A Nylon N/A 100 Call or Email for Pricing
5/16-24 x 5/16 SSS Flat Point Alloy NI N/A 5/16-24 x 5/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 5/16 in N/A Nylon N/A 100 $58.00
5/16-24 x 3/8 SSS Flat Point Alloy NI N/A 5/16-24 x 3/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 3/8 in N/A Nylon N/A 100 $56.00
5/16-24 x 7/16 SSS Flat Point Alloy NI N/A 5/16-24 x 7/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 7/16 in N/A Nylon N/A 100 $57.00
5/16-24 x 1/2 SSS Flat Point Alloy NI N/A 5/16-24 x 1/2 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 1/2 in N/A Nylon N/A 100 $58.00
5/16-24 x 5/8 SSS Flat Point Alloy NI N/A 5/16-24 x 5/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 5/8 in N/A Nylon N/A 100 $58.50
5/16-24 x 3/4 SSS Flat Point Alloy NI N/A 5/16-24 x 3/4 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 3/4 in N/A Nylon N/A 100 $59.00
5/16-24 x 7/8 SSS Flat Point Alloy NI N/A 5/16-24 x 7/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 7/8 in N/A Nylon N/A 100 Call or Email for Pricing
5/16-24 x 1 SSS Flat Point Alloy NI N/A 5/16-24 x 1 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 5/16-24 N/A 1 in N/A Nylon N/A 100 $64.00
3/8-16 x 3/8 SSS Flat Point Alloy NI N/A 3/8-16 x 3/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 3/8-16 N/A 3/8 in N/A Nylon N/A 100 $68.00
3/8-16 x 7/16 SSS Flat Point Alloy NI N/A 3/8-16 x 7/16 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 3/8-16 N/A 7/16 in N/A Nylon N/A 100 Call or Email for Pricing
3/8-16 x 1/2 SSS Flat Point Alloy NI N/A 3/8-16 x 1/2 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 3/8-16 N/A 1/2 in N/A Nylon N/A 100 $61.00
3/8-16 x 5/8 SSS Flat Point Alloy NI N/A 3/8-16 x 5/8 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 3/8-16 N/A 5/8 in N/A Nylon N/A 100 $64.00
3/8-16 x 3/4 SSS Flat Point Alloy NI N/A 3/8-16 x 3/4 Flat Point Alloy Steel Socket Set Screw with Nylon Insert N/A 3/8-16 N/A 3/4 in N/A Nylon N/A 100 $65.00
Unit of Measure
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