Chicago-Latrobe
Chicago-Latrobe Jobber Drill Bit X HSS 70324
Jobber-length drill bit in high-speed steel with TiN coating, 118-degree conventional point and 0.3970-inch diameter
- TypeDrill Accessories
- MaterialHAWA
- Jobber length gives standard reach for general drilling
- 118 degree point angle centres quickly in most materials
- High speed steel with TiN coating resists wear and heat
- .3970 inch diameter suits letter X size holes
Chicago-Latrobe Jobber Drill Bit X
This Chicago-Latrobe jobber drill bit is sized to letter X and made from high speed steel with a TiN coating. It suits mechanics and fabricators drilling metal where a standard length and conventional 118 degree point are required. The decimal equivalent is .3970 inches.
Practical limits of the conventional point
The 118 degree conventional point works well in general purpose steel and cast iron but can walk on very hard or abrasive alloys without a pilot hole. It is not a coolant through design so deep holes in tough materials may need peck drilling or external lubrication. Buyers who need split point geometry or internal coolant delivery should look elsewhere.
Highlights
- Jobber length gives standard reach for general drilling
- 118 degree point angle centres quickly in most materials
- High speed steel with TiN coating resists wear and heat
- .3970 inch diameter suits letter X size holes
Specifications
| Brand | Chicago-Latrobe |
|---|---|
| Type | Drill Accessories |
| Material | HAWA |
Questions about this item
Which drill bit size should I select for a 0.3970 inch hole?
The X size matches the 0.3970 inch decimal equivalent listed for this jobber bit.
What does the 118 degree point angle mean for everyday drilling?
The 118 degree conventional point is the standard geometry for general-purpose drilling in steel, cast iron and similar materials.
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