Extension Sets | McMaster-Carr

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System of Measurement

Square Drive Size

Socket Type

Dual-Drive Socket Adapter

Hex Shank-to-Square Drive Adapter

Secure-Hold Extension

Square Drive Size Adapter

Torque-Limiting Adapter

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 1 11/16"

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

1 1/2" to 2 1/4"

Drive Size

Drive Style

External 12-Point

External Square

External Torx Plus

Tamper-Resistant Hex

Tamper-Resistant Torx

Socket Shape

Bolt Clearance Type

Socket Style

Number of Pieces

Drive Type

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Nitride (TiN) Coated

Tip Style

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Carrying Case

Plastic Clip Rail

Material

Aluminum Bronze

Silicone Rubber

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Set Type

Sockets with Drive Tools

RoHS

Compliant with Exemptions

Color

Thread Size

Length

Wrench Opening Shape

12-Point Sure Grip

Square Drive Gender

Fork Width

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379 Products

Fastening and Joining

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Bit Sockets

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

Sockets

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

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Fabricating and Machining

Tap Extensions

Extend the length of your tap to cut in hard-to-reach areas

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

Wire Brush Handle and Extension Kits

Wire Brush Handle and Extension Kits

Everything you need to add length and a grip to wire brushes with a threaded shank

Sealing

Caulk Gun Nozzles

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

Measuring and Inspecting

Inspection Mirrors

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

Lubricating

Grease Gun Accessory Kits

Grease Gun Accessory Kits

Adapt and extend dispensing tips and install grease fittings with an assortment of tools

Material Handling

Ladder Extensions

Ladder Extensions

Grab to climb safely from the top of a ladder onto a roof or other elevated surface

Forklift Extensions

Forklift Extensions

Add length to forklift forks to support large loads

Containers, Storage, and Furniture

Hydraulic Lifts

Hydraulic Lifts

Convert fixed-height workbenches into adjustable-height workbenches

Facility and Grounds Maintenance

Vacuum Cleaner Attachments

Vacuum Cleaner Attachments

Add brushes, crevice tools, blower nozzles, and extension wands to your vacuum hose

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Safety Equipment

Face Mask Strap Extenders

Face Mask Strap Extenders

Reduce pressure on your ears for long-lasting comfort

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