Chicago-Latrobe
Chicago-Latrobe 46630 Jobber Drill Bit 15/32 in Cobalt Split Point 135°
Cobalt jobber drill bit cuts 15/32 in holes with a 135 degree split point for accurate starting
- TypeDrill Bits
- MaterialHAWA
- 15/32 in fractional size for precise hole drilling
- Cobalt construction resists heat during heavy-duty use
- 135° split point starts on contact without wandering
- Jobber length provides standard reach for general applications
- Decimal equivalent .4688 matches exact specification needs
15/32 Inch Cobalt Jobber Drill Bit
This cobalt drill bit handles 15/32 inch holes in tough materials. The split point geometry reduces walking on hard surfaces. It suits machinists and maintenance crews who need reliable fractional-inch drilling.
135 Degree Split Point Heat Resistance
Cobalt construction resists heat buildup during extended drilling cycles. The 135 degree point angle cuts efficiently without excessive pressure. No coolant holes mean dry operation in typical shop conditions.
Jobber Length Fractional Sizing
The jobber length provides standard reach for general-purpose work. Decimal equivalent 0.4688 inch matches 15/32 inch specifications precisely. Straw bronze finish identifies the cobalt alloy at a glance.
Highlights
- 15/32 in fractional size for precise hole drilling
- Cobalt construction resists heat during heavy-duty use
- 135° split point starts on contact without wandering
- Jobber length provides standard reach for general applications
- Decimal equivalent .4688 matches exact specification needs
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
How do I install the 15/32 in cobalt jobber bit in a drill chuck, and what step is often missed?
Open the chuck fully, insert the shank until it seats, then tighten securely; the step often missed is centering the split point before final tightening to prevent run-out.
What maintenance or replacement will the 15/32 in cobalt jobber bit need over time?
The cobalt material resists heat, but the split point dulls with use; resharpen at 135° when drilling becomes slow, and replace once the flute length shortens past effective chip clearance.
What limit appears first on the 15/32 in cobalt jobber bit during sustained drilling?
Heat buildup at the 135° split point is the first limit; without coolant holes the bit relies on chip evacuation, so pause to clear swarf and let the cobalt cool to avoid temper loss.
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