Screw Kits | McMaster-Carr

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Fastener Head Type

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Drive Style

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Corrosion-Resistant Coated

Hot-Dipped Galvanized

PTFE Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Number of Pieces

Thread Size

Washer Type

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)

No. 10 × 1/2" Lg. (50 Pieces)

No. 10 × 3/4" Lg. (50 Pieces)

No. 14 × 1" Lg. (20 Pieces)

Rounded Head Style

Length

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)

Threading

Fully Threaded

Partially Threaded

Fastener Strength Grade/Class

Specifications Met

Container Features

Tip Type

REACH

RoHS

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Container Length

Container Depth

Container Width

224 Products

Fastening and Joining

Fastener Assortments

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

13 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

Hex Head Screws

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

96 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

9 products

Flat Head Screws

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

4 products

Wood Screws

Fasten material to wood or pieces of wood to each other

3 products

Concrete Screws

Anchor parts to concrete, block, and brick without tapping the hole first

2 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

Screw Nails

Drive like nails but hold like screws in drilled holes in wood, plastic, drywall, and masonry

2 products

Threaded Rods

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

37 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

Clamp-On Framing and Fittings

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

1 product