Hollow Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

18-8 Stainless Steel

Fastener Head Type

Threading

Partially Threaded

Threaded on Both Ends

Drive Style

Thread Type

Vent Diameter

Thread Pitch

Finish

Thread Spacing

Drive Size

For Material Thickness

1 5/8" to 2 3/8"

1 13/16" to 2 3/4"

Thread Fit

Metric Class 4g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Head Width

Hardness

Head Diameter

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Tensile Strength

Specifications Met

Thread Length

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338 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Socket Head Screws

Socket Head Screws

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

Studs

Press, weld, or screw in place to add a threaded fastening point

Set Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Building and Machinery Hardware

Strut Channel Nuts

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

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