Master Mechanic 443986 Black Oxide Wire Gauge Number Drill Bit, #55, 1-7/8″
For general purpose use in metal, wood and plastic. 135° split point eliminates walking & provides quick starting. Surface treated with black oxide finish for abrasion resistance & improved chip flow. Designed for precision hole sizing such as tapping threaded holes. Wire gauge diameters fall between fractional sizes for most precise hole sizes. Taps through sizes 1/4-28 require the use of wire gauge bits.
- #55 / 1-7/8″
- Black oxide finish
- Jobber length
- Straight shank
- For general purpose use in metal, wood and plastic
- 135° split point eliminates walking & provides quick starting
- Surface treated with black oxide finish for abrasion resistance & improved chip flow
- Designed for precision hole sizing such as tapping threaded holes
- Wire gauge diameters fall between fractional sizes for most precise hole sizes
- Taps through sizes 1/4-28 require the use of wire gauge bits
- Carded.
