M30 Fasteners | McMaster-Carr

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Hot-Dipped Galvanized

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EAR99

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239 Products

Fastening and Joining

Hex Head Screws

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

43 products

Socket Head Screws

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

16 products

Flat Head Screws

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

1 product

Set Screws

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

3 products

Hex Nuts

Handle most general fastening needs

55 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

13 products

Coupling Nuts

Connect and extend threaded rods

7 products

Flange Nuts

The flange distributes pressure, so you don't need a washer

3 products

Threaded Rods

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

39 products

Threaded Inserts

Create new threads or repair stripped threads

18 products

Threaded Insert Installation Tools

Install helical, key-locking, slotted-drive, and other threaded inserts

5 products

Power Transmission

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

10 products

Ball Screw Nuts

Internal ball bearings roll on ball screws for low friction when moving components

1 product

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

2 products

Eyebolts

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

7 products

Hoist Rings

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

13 products

Fabricating and Machining

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

2 products

T-Slot Bolts

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

2 products

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

2 products