1"-8 Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Fastener Strength Grade/Class

ASTM Grade A325

Material

Stainless Steel

Fastener Head Type

Finish

Hot-Dipped Galvanized

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Head Width

Thread Spacing

Thread Type

Grip Length

Tensile Strength

Less than 10,000 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Specifications Met

Head Height

Thread Direction

Thread Fit

ASME Interference Class 5

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Drive Style

External Square

Spring Plunger Driver

Head Diameter

Screw Size

Socket Head Profile

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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832 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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Square Head Screws

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

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

Threaded Rods

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

Single-End Studs

Single-End Studs

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

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

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Fabricating and Machining

Setup Studs

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

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Lead Screws and Nuts

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

Precision Lead Screws and Nuts

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

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