Grade 5 Steel Square Head Bolts

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ASME Interference Class 5

Metric Interference Sk6

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Unified Standard Class 1A

Unified Standard Class 2A

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8,383 Products

Fastening and Joining

Hex Head Screws

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

1,711 products

Socket Head Screws

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

919 products

Rounded Head Screws

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

939 products

Flat Head Screws

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

573 products

Carriage Bolts

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

275 products

Square Head Screws

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

61 products

Shoulder Screws

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

1,061 products

Thumb Screws

Tighten and loosen by hand without the need for tools

79 products

Set Screws

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

530 products

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

22 products

Tapping Screws

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

245 products

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

2 products

Oval Head Screws

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

17 products

Hold-Down Bolts

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

10 products

Studs

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

129 products

Elevator Bolts

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

23 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

27 products

Wood Screws

Fasten material to wood or pieces of wood to each other

82 products

12-Point Screws

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

5 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

12 products

Masonry and Concrete Screws

Anchor parts to masonry and concrete without tapping the hole first

12 products

Drywall Screws

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

3 products

Threaded Rods

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

261 products

Anchors

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

128 products

Rivet Nuts

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

51 products

Weld Nuts

Weld to metal surfaces to add permanent threads

23 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

19 products

Thread Adapters

Join threads of a different type, size, and gender

185 products

Standoffs

Separate, position, or connect components in assemblies

58 products

Binding Barrel Posts

Pair with a cap or screw to create a custom low-profile fastener

9 products

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

11 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

22 products

Screwdriver Bits

Pair with drivers to turn screws

153 products

L-Keys

Turn fasteners from either end and reach into tight spots

121 products

Screw Starters

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

25 products

Screwdrivers

Tighten and loosen screws

51 products

T-Handle Keys

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

48 products

Nutdrivers

Tighten and loosen nuts and bolts

8 products

Torque-Limiting Keys

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

2 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

3 products

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

2 products

Sockets

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

46 products

Magnets

Attract or repel metal objects to hang, secure, or position them

4 products

Power Transmission

Lead Screws

Pair with lead screw nuts to move components in a straight line

29 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

2 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

14 products

Connecting Rods

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

24 products

Rod Ends

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

26 products

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

3 products

Rod End Inserts

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

2 products

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

1 product

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

11 products

Lead Screw Collars

Position components and limit travel along a lead screw

3 products

Material Handling

Jacks

Lift, hold, push, and position heavy objects

28 products

Eyebolts

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

69 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

2 products

Hoist Rings

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

2 products

Wheel Axles

Connect rotating wheels and support vehicles

2 products

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

16 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

1 product

Fabricating and Machining

Setup Studs

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

110 products

T-Slot Bolts

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

18 products

T-Slot Nuts

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

6 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

10 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

3 products

Building and Machinery Hardware

Clamp-On Framing Fasteners

Tighten to hold clamp-on framing in place

1 product

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

35 products

Cam Handles

For fast clamping, push down on the handle to draw two parts together

4 products