5/8"-11 Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Threading

Threaded on Both Ends

Material

Fastener Strength Grade/Class

Fastener Head Type

Finish

Hot-Dipped Galvanized

Ultra-Corrosion-Resistant Coated

Zinc Flake Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Head Width

Thread Spacing

Thread Direction

Thread Type

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Specifications Met

Federal Specification

Head Height

Drive Style

Spring Plunger Driver

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Not Rated

Thread Fit

ASME Interference Class 5

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Screw Features

Flanged

Sealing

Tension Indicating

DFARS Specialty Metals

Screw Size

Socket Head Profile

Hardness

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

2,166 Products

Fastening and Joining

Hex Head Screws

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

601 products

Socket Head Screws

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

113 products

Flat Head Screws

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

55 products

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

74 products

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

10 products

Shoulder Screws

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

197 products

Square Head Screws

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

21 products

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

17 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

21 products

Set Screws

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

118 products

Thumb Screws

Tighten and loosen by hand without the need for tools

9 products

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

1 product

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

6 products

Hold-Down Bolts

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

4 products

Threaded Rods

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

302 products

Anchors

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

122 products

Single-End Studs

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

10 products

Thread Adapters

Join threads of a different type, size, and gender

26 products

Spring Plungers

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

100 products

Weld Nuts

Weld to metal surfaces to add permanent threads

8 products

Binding Barrel Posts and Screws

Thread together for a low-profile fastener

4 products

Material Handling

Eyebolts

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

68 products

Hoist Rings

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

39 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

8 products

Wheel Axles

Connect rotating wheels and support vehicles

1 product

U-Bolts

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

33 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

1 product

Fabricating and Machining

Setup Studs

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

49 products

T-Slot Bolts

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

32 products

T-Slot Nuts

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

24 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

17 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

3 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

1 product

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

6 products

Power Transmission

Rod Ends

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

42 products

Connecting Rods

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

9 products

Containers, Storage, and Furniture

Hanging Hooks

Hang tools, hoses, garments, and other supplies on walls for easy access

1 product

Building and Machinery Hardware

Cam Handles

For fast clamping, push down on the handle to draw two parts together

2 products