Vacuum Screws | McMaster-Carr

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Screw Features

Construction

System of Measurement

Thread Size

Length

Fastener Head Type

Material

18-8 Stainless Steel

Drive Style

Threading

Partially Threaded

Socket Head Profile

Thread Pitch

Thread Type

Drive Size

Thread Fit

Metric Class 4g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Thread Direction

Hardness

Tensile Strength

30,000 psi to 99,999 psi

REACH

Thread Spacing

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Specifications Met

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309 Products

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

Flat Head Screws

Flat Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Hex Head Screws

Hex Head Screws

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

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