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4-40 x 1/4 Oval Point Alloy Steel Socket Set Screw with Nylon Insert is built for adjustable contact where a rounded point should bear smoothly instead of biting sharply. The internal hex drive keeps the screw headless and accessible in collars, hubs, handles, and compact control parts. Specify the heat-treated alloy steel body with nylon pellet when the print calls for mechanical set screw hardware, not a stainless substitute.

Linkage and lever assemblies may use this point style where the screw meets the mating part at an odd angle.

Cold Headers supports distributor, OEM, and maintenance sourcing when an oval point part must match the existing print. Check thread size, length, socket size, pellet dimensions, groove or seat condition, and surface-marking tolerance before substitution.

Technical Highlights

  • Point: Oval (rounded radiused tip)
  • Material: Alloy Steel
  • Thread Size: 4-40
  • Length: 1/4 in.
  • Drive: Internal Hex
  • Hex Key Size: 0.050 in.
  • Locking Feature: Nylon insert providing prevailing torque
  • Nylon Insert Diameter (P): 1/16 in.
  • Nylon Insert Location (N): 3/32 in., +/-1/2 pitch
  • Dimensional Standard: ASME B18.3

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

Unit of Measure

Specifications

Brands

N/A Cold Headers, Inc.

Diameter

N/A 4-40

Length

N/A 1/4 in

Material

N/A Alloy Steel

Quantity

N/A 100

Package Type

N/A Box

Search

N/A OPASSHSSNI.4-40.1/4

Note

Note

N/A Less Than Package Quantity Specified Plus 25%.