Metric Stainless Steel Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Stainless Steel

Fastener Head Type

Drive Style

Drilled Spanner

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Thread Pitch

Threading

Partially Threaded

Threaded on Both Ends

Head Diameter

Head Height

Shoulder Length

4 mm to 49.75 mm

6 mm to 49.75 mm

Shoulder Diameter

Socket Head Profile

Thread Type

Finish

Titanium Carbon Nitride (TiCN) Coated

Rounded Head Style

Specifications Met

Fed. Spec. FF-S-86

Thread Spacing

Drive Size

Thread Direction

Tip Type

Thread Length

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

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8,493 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

Rounded Head Screws

Rounded Head Screws

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

Fastener Assortments

Fastener Assortments

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

Flat Head Screws

Flat Head Screws

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

Tighten and loosen by hand without the need for tools

Carriage Bolts

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

Studs

Press, weld, or screw in place to add a threaded fastening point

Shoulder Screws

Shoulder Screws

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

Set Screws

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

Oval Head Screws

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

Tapping Screws

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Material Handling

Eyebolts

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

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Power Transmission

Rod Ends

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

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