Sealing Cap Screws | McMaster-Carr

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Screw Features

Application

System of Measurement

Thread Size

Length

Material

Stainless Steel

Fastener Head Type

Drive Style

Tamper-Resistant Torx

Threading

Partially Threaded

Head Height

Socket Head Profile

Head Diameter

Finish

Corrosion-Resistant Coated

O-Ring Material

Fluoroelastomer

Silicone Rubber

Viton® Fluoroelastomer

Tip Type

Thread Type

Flat Head Profile

Thread Direction

Specifications Met

Thread Pitch

Washer Type

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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Fastening and Joining

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

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