Chicago-Latrobe
Chicago-Latrobe 46631 31/64 in Cobalt Jobber Drill Bit
A 31/64 inch cobalt jobber drill bit with a 135-degree split point for precision drilling
- TypeDrill Bits
- MaterialHAWA
- 31/64 inch size drills precise holes for fractional-inch applications
- Cobalt HAWA material resists heat and wear in tough metals
- 135-degree split point starts on contact without wandering
- Jobber length gives standard reach for general-purpose drilling
- Straw bronze finish shows the bit is cobalt-grade at a glance
Chicago-Latrobe 46631 Cobalt Jobber Drill Bit
This cobalt jobber drill bit measures 31/64 inch and carries model number 46631. The 135 degree split point design helps reduce walking on hard materials. It suits maintenance teams and machinists who need reliable hole-making in tough alloys.
Check shank fit and machine capacity before ordering
Verify that your drill chuck accepts a straight shank of this diameter. Confirm the workpiece material matches cobalt cutting performance. Ensure your equipment can run at speeds appropriate for a .4844 decimal equivalent hole.
Suited for high-heat drilling in stainless
The cobalt construction resists heat buildup during extended cuts in abrasive metals. Shops drilling softer materials like aluminium or plastic will not benefit from the added cost. Buyers needing coolant-through capability or a different point angle should select another bit.
Highlights
- 31/64 inch size drills precise holes for fractional-inch applications
- Cobalt HAWA material resists heat and wear in tough metals
- 135-degree split point starts on contact without wandering
- Jobber length gives standard reach for general-purpose drilling
- Straw bronze finish shows the bit is cobalt-grade at a glance
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
Does the Chicago-Latrobe 46631 cobalt drill bit come individually or in a set, and are there any extra accessories included?
The 46631 is sold as a single jobber-length drill bit; no case, index or additional accessories are supplied.
What does the 31/64 in size with a .4844 decimal equivalent mean for hole-making?
It produces a 0.4844-inch diameter hole, matching the 31/64 fractional size used in standard imperial machining and maintenance work.
How does the 135-degree split-point geometry affect drilling performance in metal?
The 135-degree split point self-centres on contact, reduces thrust and prevents walking, making it suited for stainless and other hard alloys.
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