Grade 9 Steel Bolts | McMaster-Carr

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How can we improve?

993 Products

Most Likely Products

Hex Head Screws

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

77 products

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

2 products

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

7 products

Socket Head Screws

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

30 products

All Results

Fastening and Joining

Hex Head Screws

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

77 products

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

7 products

Socket Head Screws

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

30 products

Shoulder Screws

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

297 products

Carriage Bolts

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

16 products

Thumb Screws

Tighten and loosen by hand without the need for tools

4 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

10 products

Tapping Screws

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

4 products

Rounded Head Screws

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

6 products

Square Head Screws

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

4 products

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

1 product

Wood Screws

Fasten material to wood or pieces of wood to each other

20 products

Studs

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

4 products

Drywall Screws

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

2 products

Threaded Rods

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

16 products

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

22 products

Weld Nuts

Weld to metal surfaces to add permanent threads

3 products

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

14 products

Screwdriver Bits

Pair with drivers to turn screws

105 products

Screwdrivers

Tighten and loosen screws

49 products

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

5 products

Torque-Limiting Keys

Used to install carbide inserts in cutting tools, a handle limits the amount of torque generated

10 products

L-Keys

Turn fasteners from either end and reach into tight spots

48 products

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

29 products

Nutdrivers

Tighten and loosen nuts and bolts

5 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

5 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

63 products

Fabricating and Machining

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

2 products

Setup Studs

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

6 products

T-Slot Bolts

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

10 products

Power Transmission

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

36 products

Rod Ends

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

64 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

2 products

Lead Screw Collars

Position components and limit travel along a lead screw

2 products

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

2 products

Material Handling

Eyebolts

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

11 products

Containers, Storage, and Furniture

Hanging Hooks

Hang tools, hoses, garments, and other supplies on walls for easy access

1 product