Black Epoxy Coated Screws

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Finish

Black Oxide

Zinc Plated

Body Finish

Black Oxide

System of Measurement

Thread Size

Length

Fastener Head Type

Threading

Threaded on Both Ends

Socket Head Profile

Drive Style

Hex with Pilot Recess

Spring Plunger Driver

Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Material

Head Diameter

Thread Pitch

Head Height

Thread Type

Drive Size

Thread Direction

Right Hand and Left Hand

Fastener Strength Grade/Class

Thread Spacing

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Specifications Met

Federal Specification

Shoulder Diameter

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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How can we improve?

13,977 Products

Fastening and Joining

Socket Head Screws

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

2,777 products

Flat Head Screws

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

1,193 products

Rounded Head Screws

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

1,450 products

Shoulder Screws

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

2,836 products

Set Screws

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

1,687 products

Wood Screws

Fasten material to wood or pieces of wood to each other

205 products

Tapping Screws

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

279 products

Hex Head Screws

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

346 products

12-Point Screws

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

65 products

Thumb Screws

Tighten and loosen by hand without the need for tools

257 products

Carriage Bolts

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

59 products

T-Bolts

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

12 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

2 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

32 products

Elevator Bolts

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

7 products

Studs

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

19 products

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

289 products

Spring Plungers

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

238 products

Thread Adapters

Join threads of a different type, size, and gender

342 products

Threaded Rods

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

275 products

L-Keys

Turn fasteners from either end and reach into tight spots

521 products

Screwdrivers

Tighten and loosen screws

175 products

Screw Starters

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

13 products

T-Handle Keys

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

173 products

Torque-Limiting Keys

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

25 products

Fabricating and Machining

Setup Studs

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

266 products

T-Slot Bolts

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

91 products

Fixture Kits

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

27 products

Fixture Clamps

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

13 products

Lathe Tool Insert Holder Torx Keys

Replace the Torx keys for your lathe tool insert holder

4 products

Power Transmission

Lead Screw Collars

Position components and limit travel along a lead screw

41 products

Ball Screw Nuts

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

35 products

Ball Screws

Pair with a ball screw nut for low friction when moving components

6 products

Precision Lead Screws

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

114 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

5 products

Lead Screws

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

14 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

41 products

Material Handling

Eyebolts

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

65 products