Sealing Cap Screws | McMaster-Carr

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Screw Features

Application

System of Measurement

Thread Size

Length

Material

Stainless Steel

Drive Style

Tamper-Resistant Torx

Fastener Head Type

Threading

Partially Threaded

Head Height

Head Diameter

Finish

Corrosion-Resistant Coated

Socket Head Profile

Washer Type

Rounded Head Style

Thread Type

Washer Material

Stainless Steel

Thread Direction

Specifications Met

O-Ring Material

Fluoroelastomer

Silicone Rubber

Viton® Fluoroelastomer

Drive Size

Thread Pitch

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

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.)