Bolt Gaskets | McMaster-Carr

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Product Family

Flat Head Screws

Heat Exchanger Gaskets

Hex Head Screws

Rounded Head Screws

Sealing Washers

Socket Head Screws

Material

Stainless Steel

System of Measurement

Thread Size

Length

OD

ID

Thickness

0.018" to 0.025"

0.019" to 0.043"

0.021" to 0.041"

0.024" to 0.038"

0.026" to 0.036"

0.033" to 0.047"

0.035" to 0.045"

0.035" to 0.070"

0.036" to 0.044"

0.036" to 0.056"

0.042" to 0.052"

0.043" to 0.057"

0.045" to 0.055"

0.046" to 0.078"

0.047" to 0.077"

0.047" to 0.109"

0.049" to 0.079"

Screw Size

Pipe Size

Performance

Chemical Resistant

Controlled Swell

Corrosion Resistant

High Temperature

Low Temperature

Metal Detectable

Steam Resistant

Tamper Resistant

Vibration Resistant

Water Resistant

Weather Resistant

X-Ray Detectable

Fastener Head Type

Color

For Flange ANSI Class

Number of Bolt Holes

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

Drive Style

Tamper-Resistant Torx

Threading

Partially Threaded

Environment

Food and Beverage

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

Head Height

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -100° F

-99° F to -1° F

Greater than 0° F

How can we improve?

2,478 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

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

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.)