Grade 5 Steel Square Head Bolts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Fastener Head Type

Threading

Partially Threaded

Head Width

Fastener Strength Grade/Class

Material

Stainless Steel

Head Height

Drive Style

External Square

Finish

Phosphate Coated

Zinc Yellow-Chromate Plated

Tip Type

Thread Length

Specifications Met

Thread Type

Fastener Strength Rating

DFARS Specialty Metals

Hardness

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Thread Fit

Metric Class 6g

Metric Class 6h

Unified Standard Class 2A

Unified Standard Class 3A

Tensile Strength

Slot Width

Screw Size

Thread Pitch

How can we improve?

1,030 Products

Fastening and Joining

Square Head Screws

Square Head Screws

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

Set Screws

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

Socket Head Screws

Socket Head Screws

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

Tapping Screws

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

Fabricating and Machining

T-Slot Bolts

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

Fixturing Kits

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

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