Chicago-Latrobe
Chicago-Latrobe 69885 60-piece 135° high-speed steel drill bit set
A 60-piece high-speed steel drill bit set with 135° split points covering wire-gauge sizes #1 to #60 for screw-machine work
- TypeDrill Bits
- MaterialHAWA
- 60-piece set covers wire-gauge sizes 1 to 60 for broad drilling tasks
- 135° split point starts holes accurately without centre-punching
- High-speed steel construction resists wear in tough materials
- Black oxide finish reduces friction and improves chip flow
- Screw-machine length provides rigidity for portable and stationary drilling
Chicago-Latrobe 69885 60-piece drill set
This Chicago-Latrobe 69885 set contains 60 high-speed steel drill bits with a 135-degree split point. The bits are finished in black oxide and cover wire gauge sizes #1 through #60. They are designed for screw machine length drilling tasks.
Suited for metalworkers needing a full wire gauge
Machinists and fabricators who require the complete #1 to #60 wire gauge assortment in a single package will find this set practical. Users who only need fractional inch or metric sizes, or who need longer jobber length bits, should look at other options.
135-degree split point for self-centring starts
The 135-degree split point geometry allows each bit to start on contact without a centre punch. This point angle is the specification that determines suitability for hard metal and portable drilling applications.
Highlights
- 60-piece set covers wire-gauge sizes 1 to 60 for broad drilling tasks
- 135° split point starts holes accurately without centre-punching
- High-speed steel construction resists wear in tough materials
- Black oxide finish reduces friction and improves chip flow
- Screw-machine length provides rigidity for portable and stationary drilling
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
How does the 135-degree point angle affect drilling in a real machine?
The 135-degree split point reduces walking and starts on contact, making it easier to drill precise holes in metal without a centre punch.
What shank standard do these bits use and what does it limit?
Each bit has a straight shank sized to its wire-gauge diameter, so the shank fits directly into a chuck that accepts that specific size without adapters.
What physical space is needed to store or mount the 60-piece set?
The set contains 60 screw-machine-length bits ranging from #1 to #60 wire gauge, requiring a case or organizer with 60 individual slots to keep them separated and protected.
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