Description
Twist drills open the small precise holes that bench work depends on, in gold, silver, copper and brass. These are High Speed Steel (HSS) drills in wire-gauge sizes #80 to #50, sold in packs of 10 of one size. The shank diameter matches the drill diameter across the range, so they hold in adjustable chuck handpieces, drill presses and adapter chucks for collet-style quick-change handpieces.
The range runs from the finest #80 (0.343 mm / 0.0135") up to #50 (1.778 mm / 0.0700"), covering 31 individual wire-gauge sizes.
Features
- High Speed Steel (HSS) construction for durability in non-ferrous metals
- Straight shank, shank diameter matches drill diameter throughout the range
- Holds in adjustable chuck handpieces, drill presses and adapter chucks for collet-style quick-change handpieces
- 31 individual sizes from #80 to #50
- Sold in packs of 10 drills per size
Available Options
| Part # | Drill Size | MM Diameter | Inch Diameter |
|---|---|---|---|
| 128.550 | #50 | 1.778 mm | 0.0700" |
| 128.551 | #51 | 1.702 mm | 0.0670" |
| 128.552 | #52 | 1.613 mm | 0.0635" |
| 128.553 | #53 | 1.511 mm | 0.0595" |
| 128.554 | #54 | 1.397 mm | 0.0550" |
| 128.555 | #55 | 1.321 mm | 0.0520" |
| 128.556 | #56 | 1.181 mm | 0.0465" |
| 128.557 | #57 | 1.092 mm | 0.0430" |
| 128.558 | #58 | 1.067 mm | 0.0420" |
| 128.559 | #59 | 1.041 mm | 0.0410" |
| 128.560 | #60 | 1.016 mm | 0.0400" |
| 128.561 | #61 | 0.991 mm | 0.0390" |
| 128.562 | #62 | 0.965 mm | 0.0380" |
| 128.563 | #63 | 0.940 mm | 0.0370" |
| 128.564 | #64 | 0.914 mm | 0.0360" |
| 128.565 | #65 | 0.889 mm | 0.0350" |
| 128.566 | #66 | 0.838 mm | 0.0330" |
| 128.567 | #67 | 0.813 mm | 0.0320" |
| 128.568 | #68 | 0.787 mm | 0.0310" |
| 128.569 | #69 | 0.744 mm | 0.0293" |
| 128.570 | #70 | 0.717 mm | 0.0280" |
| 128.571 | #71 | 0.660 mm | 0.0260" |
| 128.572 | #72 | 0.635 mm | 0.0250" |
| 128.573 | #73 | 0.610 mm | 0.0240" |
| 128.574 | #74 | 0.572 mm | 0.0225" |
| 128.575 | #75 | 0.533 mm | 0.0210" |
| 128.576 | #76 | 0.508 mm | 0.0200" |
| 128.577 | #77 | 0.457 mm | 0.0180" |
| 128.578 | #78 | 0.406 mm | 0.0160" |
| 128.579 | #79 | 0.368 mm | 0.0145" |
| 128.580 | #80 | 0.343 mm | 0.0135" |
Specifications
- Brand
- Otto Frei
- Part #
- 128.552
- Type
- Drills
- Dimensions
- 2 in x 0.1 in x 0.05 in
- Material
- High Speed Steel (HSS)
- Size Range
- #80 – #50
- Diameter Range
- 0.343 mm – 1.778 mm (0.0135" – 0.0700")
- Shank
- Straight, shank diameter matches drill diameter
- Pack Quantity
- 10 drills per pack
- Intended Materials
- Non-ferrous metals (gold, silver, copper, brass)
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
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