Cle-Line
Cle-Line C21101 11pc 1/16-3/8x1/32 HSS 118° Jobber Drill Bit Set
11-piece HSS jobber drill bit set covering 1/16 to 3/8 inch in 1/32 steps with 118-degree points and black-oxide finish
- ColorTransparent
- 11-piece set covers common drilling tasks
- 118-degree point angle starts holes cleanly
- High-speed steel construction resists wear
- Black oxide finish reduces friction and corrosion
- Jobber length suits general-purpose use
Cle-Line 11-Piece Jobber Drill Bit Set
This Cle-Line C21101 set contains 11 high-speed steel drill bits ranging from 1/16 inch to 3/8 inch in 1/32 inch increments. The 118-degree point angle suits general-purpose drilling in metal, wood and plastic. Black oxide finish adds corrosion resistance and reduces chip welding during use.
Practical limits of the 118-degree point angle
The 118-degree point is optimised for general-purpose work rather than specialised materials. It may walk on hardened steel or require a centre punch for accurate starts. Black oxide finish helps with lubricity but does not replace cutting fluid in deep holes or high-speed production drilling.
Upgrading from basic carbon-steel bits
This set replaces low-cost carbon-steel bits that dull quickly in metal. The high-speed steel construction holds an edge longer and tolerates higher cutting temperatures. The jump is worth it for workshops that drill steel regularly and need consistent hole quality across multiple diameters.
Highlights
- 11-piece set covers common drilling tasks
- 118-degree point angle starts holes cleanly
- High-speed steel construction resists wear
- Black oxide finish reduces friction and corrosion
- Jobber length suits general-purpose use
Specifications
| Brand | CLE-LINE |
|---|---|
| Color | Transparent |
Questions about this item
How do I choose between the different drill bit sizes in this 11-piece set?
The set includes 11 jobber length bits ranging from 1/16 to 3/8 inch in 1/32 inch increments, covering common pilot and clearance holes.
What does the 118-degree point angle mean when I am drilling?
The 118-degree point is a general-purpose geometry that centres well in steel, wood and plastic without needing a centre punch for most tasks.
How does the high-speed steel material affect drilling performance?
High-speed steel retains hardness at drilling temperatures, giving longer edge life than carbon steel in mild steel and non-ferrous metals.
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