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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
About Reamers
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Extended-Length Drill Bits
Black Oxide
Uncoated
Access hard-to-reach spots and drill deep holes.
Black-oxide drill bits produce less friction than uncoated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
4.2 mm | 0.1654" | 119mm | 78mm | Round | 4.2mm | Standard | Steel, Iron | DIN 340 | 000000000 | 000000 |
Uncoated High-Speed Steel | ||||||||||
| 4.0 mm | 0.1575" | 119mm | 69.7mm | Round | 4mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | DIN 340 | 00000000 | 0000 |
| 4.2 mm | 0.1654" | 119mm | 69.3mm | Round | 4.2mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | DIN 340 | 00000000 | 0000 |
Metric Size Combination Drill Bit/Round-Shank Reamers for Taper-Pin Holes
The same tool drills and reams holes for taper pins. They have chip breakers on the cutting edge.
For technical drawings and 3-D models, click on a part number.
Reamer Dia. | Lg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Taper Pin Number, mm | (A), mm | (B), mm | Flute, mm | Overall, mm | Number of Flutes | Flute Style | Spiral Direction | Rate of Taper | Point Angle | For Use On | Each | |
High-Speed Steel | ||||||||||||
| 4 | 5.4000 | 3.7800 | 81 | 119 | 2 | Spiral | Right Hand | 1" per 50" | 118° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |