Class 8.8 Bolts | McMaster-Carr

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1,490 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

Carriage Bolts

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

Rounded Head Screws

Rounded Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Set Screws

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

Threaded Rods

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

Fabricating and Machining

T-Slot Bolts

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

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