Products for bench top machinists | LittleMachineShop.com

Key, Lathe Chuck, 8 mm Square, Long Handle

Key, Lathe Chuck, 8 mm Square, Long Handle - Main image
$6.35 $8.95 In stock

This lathe chuck key can be used with our 3-Jaw 3" chuck, PN 1187. Unlike the chuck key that comes with the 1187 Chuck, this key has long handles. If you want the key that is provided with 1187, see product 1768.

This key will also fit any other chuck that requires a 8mm (5/16") key.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.6 / 5 · 5 reviews)

Isabella N. ★★★★★

The long handles on this chuck key give me way better leverage than the stubby one that came with my 3-jaw chuck. It’s a simple upgrade that makes tightening and loosening the jaws noticeably easier, especially on deeper workpieces.

Sebastian U. ★★★★★

Finally a key that fits my 3-jaw chuck without hunting for the right size, the 8mm square is spot on. The long handles are a lifesaver when I need a bit more leverage on stubborn workpieces. Much easier on my hands than the stubby one that came with the chuck.

Jason ★★★★★

The long handle gives me way more torque than the short key that shipped with my 3-jaw chuck—no more fighting to tighten the jaws. It fits perfectly on the 8mm square drive and feels solid in the hand.