Chicago-Latrobe
Chicago-Latrobe Jobber Drill Bit 29/64 in HSS 135° Split Point 68929
Drills 29/64 inch holes with a 135-degree split point for accurate starts in metal
- TypeDrill Accessories
- MaterialHAWA
- 29/64 inch fractional size for precise hole drilling
- 135 degree split point starts on contact without walking
- High-speed steel construction resists heat during heavy use
- Bright uncoated finish suits general-purpose metalwork
Chicago-Latrobe 29/64 in Jobber Drill Bit
This high-speed steel jobber drill bit measures 29/64 inch with a 135-degree split point for accurate starts. It suits metalworkers and maintenance technicians who need a reliable fractional-inch bit for general-purpose drilling in steel and other ferrous materials.
Bright uncoated finish with split-point geometry
The bright finish provides no surface coating, so chips evacuate freely during dry drilling. The split-point design reduces walking on contact, allowing the operator to begin holes without a centre punch in most ferrous metals.
Highlights
- 29/64 inch fractional size for precise hole drilling
- 135 degree split point starts on contact without walking
- High-speed steel construction resists heat during heavy use
- Bright uncoated finish suits general-purpose metalwork
Specifications
| Brand | Chicago-Latrobe |
|---|---|
| Type | Drill Accessories |
| Material | HAWA |
Questions about this item
Will the split point geometry on this 29/64 inch bit need re-sharpening after heavy use?
The 135 degree split point is ground into the high speed steel body and can be re-sharpened with a suitable grinder or sent to a sharpening service when the cutting edges dull.
What limits continuous drilling with this bright finish HSS bit?
Heat builds up quickly in the uncoated high speed steel, so cutting speed must be reduced or cutting fluid applied to prevent the 135 degree point from losing hardness during sustained cuts.
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