Chicago-Latrobe
Chicago-Latrobe 70129 #29 118° Jobber Length Drill Bit
A #29 jobber-length drill bit with a 118° point angle and 0.1360 inch decimal size, made from TiN-coated high-speed steel for general-purpose drilling
- TypeDrill Bits
- MaterialHAWA
- #29 wire-gauge drill bit for precise hole sizing
- 118° conventional point starts cleanly in general-purpose materials
- High-speed steel with TiN coating resists wear and heat
- Jobber-length flute clears chips in standard-depth holes
- Decimal equivalent 0.1360 in for exact tool selection
Jobber Length Drill Bit #29
This Chicago-Latrobe 70129 drill bit is a jobber length tool sized at #29 with a 118 degree point angle. It is made from high speed steel with a TiN coating for general purpose drilling tasks. The decimal equivalent is .1360 inches. It suits trade professionals and maintenance technicians needing a standard wire gauge size.
Conventional Point For Standard Chucks
The bit features a conventional point type that centres quickly in a standard drill chuck without a pilot hole. It is non-coolant through with zero coolant holes so it relies on external lubrication or air cooling. This design fits directly into any drill press or hand drill that accepts straight shank jobber bits. It frees the user from needing specialised coolant-fed tooling.
TiN Coating Extends Cutting Life
The titanium nitride surface treatment reduces friction and heat buildup during drilling operations. This coating helps the high speed steel edge stay sharp longer in steel, cast iron and non-ferrous metals. No additional accessories or software are bundled with this single bit. The coating is the only feature that changes wear performance compared to an uncoated equivalent.
Highlights
- #29 wire-gauge drill bit for precise hole sizing
- 118° conventional point starts cleanly in general-purpose materials
- High-speed steel with TiN coating resists wear and heat
- Jobber-length flute clears chips in standard-depth holes
- Decimal equivalent 0.1360 in for exact tool selection
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
At what drill-bit size does the #29 jobber bit reach its practical limit during continuous drilling?
The #29 jobber bit with a 118-degree point and 0.1360 decimal equivalent is intended for general-purpose drilling in that size range.
How much heat does the TiN-coated high-speed steel bit generate when run all day?
The TiN coating on the high-speed steel reduces friction and heat buildup during extended drilling sessions.
What shank type must my drill chuck accept for this bit to fit?
The jobber-length bit uses a standard straight shank that fits common drill chucks.
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