Cle-Line
Cle-Line C18020 Jobber Length Drill Bit 3/8 in 135° Split Point High Speed Steel Black Gold
3/8-inch jobber-length drill bit with a 135-degree split point for precise starts in metal
- TypeDrill Bits
- 135° split point starts drilling instantly with no walking
- 3/8 inch diameter creates precise holes for standard fasteners
- High-speed steel construction resists heat during extended use
- Black and gold finish reduces friction and improves chip flow
- Jobber length provides versatile reach for general workshop tasks
Cle-Line C18020 Drill Bit 3/8 Inch
This Cle-Line jobber length drill bit measures 3/8 inch with a decimal equivalent of .3750. It is made from high speed steel with a black and gold finish. The 135 degree split point design helps start holes accurately without a centre punch. It suits general purpose drilling in metal, wood and plastic.
135 Degree Split Point Behaviour
The split point geometry reduces walking and lowers the thrust needed during sustained drilling. High speed steel construction maintains hardness at the temperatures reached in extended use. The black and gold surface treatment assists chip evacuation and reduces friction. No coolant holes are present so external lubrication is required for deep holes.
Fractional Inch Compatibility Check
Verify that your drill chuck accepts a 3/8 inch shank before ordering. Confirm the material you are drilling is suitable for high speed steel without specialised coatings. Ensure you can supply cutting fluid or lubrication since the bit has no internal coolant delivery. Check that a jobber length flute is appropriate for your hole depth.
Highlights
- 135° split point starts drilling instantly with no walking
- 3/8 inch diameter creates precise holes for standard fasteners
- High-speed steel construction resists heat during extended use
- Black and gold finish reduces friction and improves chip flow
- Jobber length provides versatile reach for general workshop tasks
Specifications
| Brand | CLE-LINE |
|---|---|
| Type | Drill Bits |
Questions about this item
How much heat does the 135° split point generate during all-day drilling?
The 135° split point reduces thrust and friction, so the bit runs cooler than standard points during extended use.
What shank style must my drill chuck accept for this 3/8 in bit?
The bit has a straight round shank that fits any standard 3/8 in or larger drill chuck.
Will this high-speed steel bit wear quickly if I keep using it on older abrasive castings?
High-speed steel resists wear on cast iron and similar materials, though cobalt bits last longer on highly abrasive work.
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