Premium CNC & Router Bits for Precision Cutting

3/8″ Keyhole Bit x 1/2″ Shank – Whiteside 3051 (AstraHP Coated)

Hide the fasteners for wall hung projects! Keyhole router bits cut a screw slot in picture frames, plaques, sconces and more. Plunge the bit through your workpiece to create the large diameter, then move router laterally to cut the narrow slot. AstraHP Coated 1/2″ Shank 3/8″ Large diameter 3/16″ Small diameter 7/16″ Cut Length 2-1/8″ overall length Also available in 1/4″ Shank Recommended RPM: 16,000 Made In USA

3/8″ Keyhole Bit x 1/2″ Shank – Whiteside 3051 (AstraHP Coated) - Main image
AstraHP Coated Whiteside 3051 keyhole router bitAstraHP Coated Whiteside 3051 keyhole router bitAstraHP Coated Whiteside 3051 keyhole router bit
$25.15 $33.99 In stock

Category: Keyhole Bits

This Whiteside 3051 keyhole bit is designed for creating keyhole slots in woodworking projects, featuring a 3/8-inch cutting diameter and a 1/2-inch shank for compatibility with standard routers. The AstraHP coating is applied to enhance durability and performance during use.

  • 3/8-inch keyhole bit with 1/2-inch shank for a secure fit in most routers.
  • AstraHP coated surface for increased wear resistance.
  • Suitable for making keyhole slots to hang cabinets, signs, or other items.
  • Whiteside brand quality for reliable cutting action.
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)

Owen ★★★★★

I needed a bit that would hold up to MDF without dulling too fast, and this coated version has been a real workhorse—the AstraHP finish shows virtually no wear after a couple dozen slots. The 1/2-inch shank gave my router a nice solid grip with barely any vibration.

Christopher V. ★★★★★

Cut a perfect set of keyhole slots for hanging a heavy mirror, and the 3/8" diameter left a clean, tight fit that grabbed the screw heads without any wobble. The AstraHP coating seems to be doing its job—the bit came out looking nearly as fresh as it went in, and I didn't have to fight any burning o

Eva L. ★★★★★

The 1/2-inch shank locked into my router collet without any wobble, and the 3/8-inch cut was razor-sharp on oak from the first pass. I’ve hung three cabinets now, and the slots are clean, tight, and perfectly consistent. This bit’s got the stiffness you want for production work, not just a one-off p

Related Products