Headless Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Grade L5 Ceramic

Stainless Steel

Tip Type

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Thread Pitch

Finish

Hot-Dipped Galvanized

Nickel Chrome Plated

Phosphate Coated

Zinc Black-Chromate Plated

Zinc Clear-Chromate Plated

Zinc Yellow-Chromate Plated

Fastener Head Type

Thread Type

Thread Direction

Right Hand and Left Hand

Thread Spacing

Drive Style

Spring Plunger Driver

Fastener Strength Grade/Class

ASTM Grade B8SH

ASTM Grade B8MSH

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Flame Retardant

High Temperature

Moisture Resistant

Precision Adjust

Thread Fit

ASME Interference Class 5

Metric Class 4H5H

Metric Class 4H6H

Metric Class 5g6g

Metric Class 6g

Metric Class 6h

Metric Class 6H

Metric Interference Sk6

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Specifications Met

Fed. Spec. QQ-P-35

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Hardness

Thread Length

Threaded Insert Type

Tensile Strength

Less than 10,000 psi

10,000 psi to 39,999 psi

40,000 psi to 49,999 psi

50,000 psi to 99,999 psi

100,000 psi or greater

Drive Size

How can we improve?

17,049 Products

Fastening and Joining

Set Screws

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

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Studs

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

Hold-Down Bolts

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Dowel Screws

Screw into holes to join two pieces of wood

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Standoffs

Separate, position, or connect components in assemblies

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Fabricating and Machining

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

Power Transmission

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull 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.)