Bolt Sets | McMaster-Carr

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Spring Lock Washers Included

For M4 Screw Size (200 Pieces)

For M5 Screw Size (200 Pieces)

For M6 Screw Size (200 Pieces)

For M8 Screw Size (200 Pieces)

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Mounting Fastener Thread Size

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EAR99

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Rounded Head Sheet Metal Screws Included

No. 4 × 1/2" Lg. (75 Pieces)

No. 6 × 1" Lg. (50 Pieces)

No. 6 × 1/2" Lg. (50 Pieces)

No. 6 × 1/2" Lg. (75 Pieces)

No. 6 × 3/4" Lg. (50 Pieces)

No. 6 × 3/8" Lg. (50 Pieces)

No. 6 × 5/8" Lg. (75 Pieces)

No. 8 × 1 1/2" Lg. (25 Pieces)

No. 8 × 1" Lg. (25 Pieces)

No. 8 × 1/2" Lg. (50 Pieces)

No. 8 × 3/4" Lg. (50 Pieces)

No. 10 × 1 1/2" Lg. (20 Pieces)

No. 10 × 1 1/4" Lg. (20 Pieces)

No. 10 × 1" Lg. (25 Pieces)

No. 10 × 1" Lg. (50 Pieces)

Tip Type

Container Features

276 Products

Fastening and Joining

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

13 products

Hex Head Screws

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

47 products

Socket Head Screws

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

19 products

Rounded Head Screws

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

6 products

Flat Head Screws

Fit in countersunk holes for a flush finish

4 products

Set Screws

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

9 products

Tapping Screws

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

11 products

Wood Screws

Fasten material to wood or pieces of wood to each other

3 products

Shoulder Screws

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

2 products

Anchors

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

3 products

Threaded Rods

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

2 products

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

2 products

Electrical

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

14 products

Building and Machinery Hardware

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

1 product

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

7 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

113 products

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

1 product

Material Handling

Hoist Rings

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

3 products

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

11 products

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product