Grade B7 Steel Bolts | McMaster-Carr

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Product Family

12-Point Screws

Ball Screw/Splines and Bearings

Ball Screws and Nuts

Battery Terminal Fasteners

Binding Barrels

Bolt-Together Framing and Fittings

Captive Panel Screws

Clamp Holding Screws

Clamp-On Framing and Fittings

Clamping Screw Mounting Bases

Clamping Screws

Connecting Rods

Die Spring Screw Caps

Door Strike Plates

Material

Ferrite Ceramic

Stainless Steel

Seal Material

304 Stainless Steel

System of Measurement

Thread Size

Length

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Magnesium Phosphate Coated

Manganese Phosphate Coated

Fastener Head Type

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Thread Pitch

Head Width

Thread Spacing

Head Height

Thread Direction

Right Hand and Left Hand

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Socket Head Profile

Specifications Met

Cal/OSHA Compliant Title 8 Section 1646

OSHA Compliant 29 CFR 1926.451

Tensile Strength

20,000 psi to 29,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

RoHS

Compliant with Exemptions

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

REACH

Export Control Classification Number (ECCN)

Lifting Screw Material

Ball Stud Material

How can we improve?

44,630 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

Flat Head Screws

Flat Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

Carriage Bolts

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

12-Point Screws

12-Point Screws

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

Shoulder Screws

Shoulder Screws

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

Tapping Screws

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

Set Screws

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

Tighten and loosen by hand without the need for tools

Square Head Screws

Square Head Screws

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

T-Bolts

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

Elevator Bolts

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Plow Bolts

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

Studs

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Hold-Down Bolts

Hold-Down Bolts

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

Fastener Assortments

Fastener Assortments

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

Masonry and Concrete Screws

Masonry and Concrete Screws

Anchor parts to masonry and concrete without tapping the hole first

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Drywall Screws

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

Jack Screws

Create vibration-resistant connections between D-sub cords and panels

Oval Head Screws

Oval Head Screws

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

Dowel Screws

Screw into holes to join two pieces of wood

Threaded Rods

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

Anchors

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

Rivet Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Single-End Studs

Single-End Studs

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

Binding Barrels

Binding Barrels

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

Spring Plungers

Spring Plungers

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Standoffs

Separate, position, or connect components in assemblies

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

Screwdrivers

Tighten and loosen screws

Nutdrivers

Tighten and loosen nuts and bolts

T-Handle Keys

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

Screw Starters

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Torque-Limiting Keys

Torque-Limiting Keys

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

Hanger Bolt Driver Bits

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Driver Extension Adapters

Driver Extension Adapters

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

Sockets

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

Magnets

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

Stud Welders

Join studs and pins to metal, leaving no marks on the back of the material

Fabricating and Machining

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

Clamp Holding Screws

Clamp Holding Screws

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

Clamping Screw Mounting Bases

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

Setup Studs

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

T-Slot Bolts

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

T-Slot Nuts

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

Locating Pin Lock Screws

Locating Pin Lock Screws

Secure removable locating pins

Drill Bushing Lock Screws

Drill Bushing Lock Screws

Prevent drill bushings from spinning

Fixture Clamps

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

Fixture Kits

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

T-Tracks

A versatile foundation for custom fixturing setups

T-Slot Cleaners

T-Slot Cleaners

Scrape debris out of machine table T-slots

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

Rod Ends

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

Connecting Rods

Connecting Rods

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

Rod End Inserts

Rod End Inserts

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

Rod End Nuts

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

Ball Screws and Nuts

Ball Screws and Nuts

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

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Precision Lead Screws

Precision Lead Screws

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

Die Spring Screw Caps

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

End Supports for Ball Screws and Precision Lead Screws

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

Roller Screws and Nuts

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

Material Handling

Eyebolts

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

Hoist Rings

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

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Jacks

Lift, hold, push, and position heavy objects

Hitch Clamps

Strengthen the joint between your hitch insert and receiver to prevent rattling and swaying

U-Bolts

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

Routing Rings

Suspend wire and cable by feeding it through the eyehole

Routing Ring Bases

Routing Ring Bases

Temporarily attach routing rings to steel and iron surfaces with a magnet

Wheel Axles

Connect rotating wheels and support vehicles

Conveyor T-Slot Bolts

Conveyor T-Slot Bolts

Drop into the T-slot to mount components

Building and Machinery Hardware

T-Slotted Framing Fasteners

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

Bolt-Together Framing Anchors

Bolt-Together Framing Anchors

Install mounting feet in concrete or rails into the ground

Clamp-On Framing Fasteners

Clamp-On Framing Fasteners

Tighten to hold clamp-on framing in place

Locking-Slotted Framing Fasteners

Locking-Slotted Framing Fasteners

Secure brackets and other accessories to locking-slotted rails

Cam Handles

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

Door Track End Stops

Door Track End Stops

Prevent door track hangers from rolling off the track

Door Strike Plates

Door Strike Plates

Reinforce the area where the latch meets the frame to protect it from friction

Containers, Storage, and Furniture

Hanging Hooks

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

Pallet Rack Locking Pins

Pallet Rack Locking Pins

Prevent forklifts from dislodging pallet rack beams when loading and unloading pallets

Electrical Power, Networking, and Controlling

Battery Terminal Fasteners

Battery Terminal Fasteners

Replace bolts in battery terminals

Electrical Enclosure Mounting Channels

Electrical Enclosure Mounting Channels

Position components inside electrical enclosures without drilling holes, which can leak

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