Cle-Line
Cle-Line C21162 135 Degree 29-Piece Drill Bit Set 1875R
29-piece high-speed steel drill bit set with 135-degree split points for right-hand cutting in a black oxide finish
- TypeDrill Bits
- 29-piece set covers a wide range of drilling tasks
- 135-degree split point starts holes quickly without wandering
- High-speed steel construction resists heat during heavy use
- Black oxide finish reduces friction and adds corrosion resistance
- Right-hand cutting direction suits standard drill operation
29-Piece 135° Drill Bit Set
Cle-Line C21162 is a 29-piece mechanics-length drill bit set built from high-speed steel with a black-oxide finish. Every bit uses a 135-degree split point and right-hand cutting direction. The set covers a range of diameters for general metal-drilling tasks.
Suited to maintenance and light fabrication
Mechanics and technicians who need a ready-to-hand assortment of split-point bits for steel, iron and similar alloys will find the range practical. The set is not intended for production CNC work, deep-hole drilling or materials that demand cobalt or carbide tooling.
135-degree split-point geometry
The 135-degree split point centres the bit on contact and lowers the force required to start a hole in hard metal. This single geometry change determines whether the set matches the user's drilling conditions.
Highlights
- 29-piece set covers a wide range of drilling tasks
- 135-degree split point starts holes quickly without wandering
- High-speed steel construction resists heat during heavy use
- Black oxide finish reduces friction and adds corrosion resistance
- Right-hand cutting direction suits standard drill operation
Specifications
| Brand | CLE-LINE |
|---|---|
| Type | Drill Bits |
Questions about this item
How much heat do the 135-degree split-point bits generate during extended drilling in steel?
The 135-degree split-point design reduces thrust and friction compared to standard points, so the high-speed steel bits run cooler during prolonged use.
What chuck size is needed to hold every bit in the 29-piece set?
The set includes bits up to 1/2 inch diameter, so a 1/2-inch or larger drill chuck is required to use the full range.
Can the black-oxide finish withstand the higher torque of a modern brushless drill?
The black-oxide coating on the high-speed steel bits resists wear and corrosion, making them suitable for the increased torque of brushless drills.
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