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Woodruff Keys

Descriptions

Woodruff Keys are sometimes referred to by various other names depending on their application. Common alternatives include crank keys, crankshaft keys, harmonic damper keys, key damper retainers, and harmonic balancer retainer keys. No matter which term you prefer, they all describe the familiar semi-circular key used for securing rotating components to shafts. They are a very popular engineering key, mainly used for light duty applications.

Woodruff keys are designed as semicircular metal pieces. These keys slot neatly into a matching recess in a shaft, locking rotating parts like gears or pulleys securely in place, preventing them from spinning independently of one another.

• Prevents Slippage: By forming a snug interference fit between the shaft and the mating component, Woodruff keys keep things from spinning freely or slipping out of alignment when under load.• Efficient Power Transmission: Maintaining proper alignment means the power coming from your motor, engine, or drive train gets delivered smoothly and efficiently. This also minimizes wear on machinery.
• Easy Assembly and Removal: Their unique shape allows for straightforward installation and removal, which is a huge plus during maintenance or repairs.
• No Extra Fasteners Needed: Because the key fits perfectly into the keyway and mating slot, there’s no need for additional nuts, bolts, or screws.

Pinstructure offers Woodruff Keys in C45 Keysteel.

Metric Woodruff Keys are manufactured to DIN6888. Sizes from 1.5 x 2.6mm up to 10 x 16mm.

Inch Woodruff Keys are offered to three overlapping standards, BS46 Part 1, BS1958 ASME Standard and Whitney/SAE Standard. Sizes from 1/16'' x 3/8'' up to 3/8'' x 1.1/2''.

Specifications

Product Standard description	Engineers Keys, Woodruff, Key Steel (Metric DIN) (Inch BS)
Pinco Part Number	A14, A14
British (BS)
DIN
ISO
Standard Stock range	DIN 6888