N00538 - 1/2" to 3/8" Collet Reducer

This collet reducer bushing is used in a 1/2" collet to allow it to accept 3/8" bits. It can be used in all 1/2" router collets. Contact us for application information and installation tips. When you...

B00118 - 1/8” Premium Drill Bit Split Point With 1/4" Shank

The Castle woodworking 1/8” Split Point Drill Bit is a great fit when our 9/64” drill bit is a little too large but the 7/64” bit is too small for a slip fit. Our 1/8” Split...

B02964-010 9/64" Brad and Spur Premium Bit - 10 pack

Save 10% by purchasing in packs of 10 10-pack  Manufactured using the same specifications as our standard 9/64" Brad And Spur point drill bit, our Premium Woodworking Drill Bit is titanium...

B00964-010 - 9/64" Castle Drill Bit, Brad w/ 1/4" Shank - 10 pack

 Save 10% by purchasing in packs of 10 10-pack  This is the most popular Castle Woodworking Drill Bit.  The Brad And Spur tip tracks well in all types of materials and is...

B00622 - #2 Robertson Square Driver Bit, 6" Shank

BULK DEAL:   Buy 5 - 9 and get $0.35 off Buy 10 or more and get $0.50 off  

B03055 - Solid Carbide Line Boring Bit

B03055 - Solid Carbide Line Boring Bit      

B00764 - 7/64” Drill Bit Split Point With 1/4" Shank

The Castle woodworking 7/64” drill bit is a split point bit. Use this bit when you desire a snug fit with a No.7 screw that requires a driver for screw insertion—it can also be used with...

B00316 - 3/16” Drill Bit Split Point With 1/4" Shank

The Castle woodworking 3/16” drill bit is a split point bit. It is best used with a No.8 screw in softer materials such as melamine or pine. Used with a No.8 screw, the 3/16” hole will...

B00338 - 3/8” Solid Carbide 3-Flute Router Bit

The Castle solid carbide woodworking router bit is your best bet for long-lasting, consistent performance. This bit is exceptional in routing all materials, including composites and dense hardwoods...

B00438 - 3/8" Cobalt Steel 4-Flute Roughing Router Bit

The Castle Cobalt High Speed Steel 4 flute bit works well routing most solid woods. (If you work with dense hardwoods such as hickory, you will want to use our Solid Carbide bit - B00338.) The rough...

B01338 - 3/8" Solid Carbide 3-Flute Reverse Helix Router Bit

The Castle Solid Carbide Reverse Helix router bit is suggested for use when other Castle bits cause chip-out, especially in plywood and melamine. The groove pattern of the cutting teeth on this bit...