Bolt Gaskets | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Compressed Fiber

Stainless Steel

Pipe Size

Fastener Head Type

Drive Style

Tamper-Resistant Torx

For Flange ANSI Class

Number of Bolt Holes

Thickness

Head Height

OD

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Threading

Partially Threaded

Maximum Pressure

Less than 500 psi

500 psi to 699 psi

700 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi or greater

Color

O-Ring Material

Fluoroelastomer

Silicone Rubber

Viton® Fluoroelastomer

Head Diameter

Specifications Met

Performance

Chemical Resistant

Controlled Swell

Corrosion Resistant

High Temperature

Metal Detectable

Steam Resistant

Tamper Resistant

Vibration Resistant

Water Resistant

X-Ray Detectable

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Flat Head Profile

Hardness

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1,643 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

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

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Heat Exchanger Gaskets

Heat Exchanger Gaskets

Replace front and rear gaskets in shell and tube heat exchangers

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