Metric Bolt Assortments | McMaster-Carr

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System of Measurement

Fastener Head Type

Material

Drive Style

Thread Size

Finish

Hot-Dipped Galvanized

Painted

Zinc Plated

Zinc Yellow-Chromate Plated

Container Type

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)

Nut Type

Washer Type

Number of Pieces

Length

Thread Pitch

Fastener Strength Grade/Class

Specifications Met

Flange Material

T-Slotted Framing Nut Type

Self-Aligning Spring Tab

Self-Aligning Spring-Loaded Ball

Self-Aligning with Handle

Set Screw and Spring-Loaded Ball

Rail Height

Thread Spacing

Threading

Export Control Classification Number (ECCN)

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

RoHS

REACH

172 Products

Fastening and Joining

Fastener Assortments

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

3 products

Hex Head Screws

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

54 products

Socket Head Screws

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

12 products

Rounded Head Screws

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

3 products

Flat Head Screws

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

2 products

Set Screws

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

3 products

Building and Machinery Hardware

Clamp-On Framing Fasteners

Tighten to hold clamp-on framing in place

1 product

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

93 products

Material Handling

Hoist Rings

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

1 product