Chicago-Latrobe
Chicago-Latrobe 48926 Screw Machine Drill Bit 13/32 in 118°
A 13/32 inch screw machine drill bit with a 118-degree point angle, high-speed steel construction and left-hand cutting direction
- TypeDrill Bits
- MaterialHAWA
- 13/32 in size drills precise holes in metal
- 118-degree conventional point starts cleanly without wandering
- High-speed steel construction resists wear during repetitive drilling
- Bright uncoated finish suits dry cutting operations
- Left-hand cutting direction removes broken fasteners efficiently
Purpose-Built Drilling Tool
The Chicago-Latrobe 48926 is a screw machine drill bit sized at 13/32 inch with a 118-degree conventional point. It is made from high speed steel with a bright, uncoated finish and features a left-hand cutting direction. This bit suits machinists and maintenance technicians who need a reliable tool for general-purpose drilling in a variety of materials.
Build Integration
The straight shank fits standard drill chucks and collets without adapters, while the left-hand rotation clears chips effectively in specific screw machine operations. Its non-coolant-through design keeps the setup simple for machines without through-spindle coolant. The decimal equivalent of .4062 inch allows precise hole sizing for tap drill charts and reaming allowances.
Sustained Cutting Behaviour
High speed steel construction maintains hardness at the elevated temperatures generated during extended drilling cycles. The uncoated surface avoids coating delamination but requires appropriate cutting fluid to manage heat and friction. The 118-degree point angle provides consistent centering and chip formation throughout the cut, reducing wander in deeper holes.
Highlights
- 13/32 in size drills precise holes in metal
- 118-degree conventional point starts cleanly without wandering
- High-speed steel construction resists wear during repetitive drilling
- Bright uncoated finish suits dry cutting operations
- Left-hand cutting direction removes broken fasteners efficiently
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
How does the 118-degree point angle affect drilling in hard steel?
The 118-degree conventional point centres quickly but generates more heat at the tip during sustained drilling in hard steel, so cutting speed must be reduced to avoid premature wear.
Will the bright uncoated high-speed steel bit run hot in a production drill press?
Without a coating the bit relies on cutting fluid to carry heat away; in a production press expect higher tip temperatures and plan for frequent coolant application or peck cycles.
Does the 13/32-inch left-hand bit fit a standard right-hand drill chuck?
Yes, the shank is round and fits any standard three-jaw chuck; only the cutting direction is left-hand, so the spindle must run counter-clockwise.
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