Sealing Machine Screws | McMaster-Carr

Filter by

Screw Features

Application

System of Measurement

Thread Size

Length

Fastener Head Type

Material

Stainless Steel

Drive Style

Tamper-Resistant Torx

Head Height

Head Diameter

Flat Head Profile

Threading

Partially Threaded

O-Ring Material

Fluoroelastomer

Silicone Rubber

Viton® Fluoroelastomer

Socket Head Profile

Rounded Head Style

Thread Type

Countersink Angle

Finish

Specifications Met

Thread Direction

Thread Pitch

DFARS Specialty Metals

Drive Size

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

How can we improve?

1,122 Products

Fastening and Joining

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

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

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.)