Vacuum Bolts | McMaster-Carr

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Screw Features

Construction

System of Measurement

Thread Size

Length

Fastener Head Type

Material

18-8 Stainless Steel

Threading

Partially Threaded

Drive Style

Socket Head Profile

Thread Pitch

Drive Size

Thread Type

Thread Fit

Metric Class 4g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Thread Direction

Thread Spacing

Hardness

Tensile Strength

30,000 psi to 99,999 psi

REACH

DFARS Specialty Metals

RoHS

Export Control Classification Number (ECCN)

Head Width

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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

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

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