1 / 3

1 / 3
Triumph Twist Drill 15-Piece High Speed Steel Twist Drill Bit Set, 1/16 in. to 1/2 in., Black/Bronze Oxide Finish
$82.86
This 15-piece high speed steel drill bit set features a black and bronze oxide finish for drilling through cast iron, steel, and high-tensile alloys. Equipped with 135° split points, these bits prevent walking and extend tool life, even on curved surfaces.
In Stock
Money-back guarantee
Free 30-day returns
100% Authentic
Official brand warranty
Ships from USA
Fast US warehouse dispatch
Secure checkout
256-bit SSL encrypted
We accept


This 15-piece high speed steel drill bit set features a black and bronze oxide finish for drilling through cast iron, steel, and high-tensile alloys. Equipped with 135° split points, these bits prevent walking and extend tool life, even on curved surfaces.
- High Speed Steel (HSS) construction for versatile, general-purpose drilling in various materials.
- 135° split point design helps prevent drill walking and improves performance on curved surfaces.
- Black and bronze oxide finish optimized for use in cast iron, steel, and high-tensile strength alloys.
- Includes a metal index for easy size identification from 1/16 in. to 1/2 in. (in 32nds).
- Drill bits larger than 3/8 in. diameter feature a reinforced 3/8 in. diameter shank.


