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All Products ➞ Bordo ➞ Drills ➞ Specialist ➞ Long Series HSS ➞ Long Series Black HSS ➞ Black Fractional Bulk
21/64" HSS Long Series Drill
| Part Number: | 2500-21/64 |
| Brand: | Bordo |
| Barcode: | 9326518038085 |
| Pack Qty: | 1 |
| Feed per revolution mm: | 0.17 |
| Spindle Speed Aluminium/Brass RPM: | 2332 |
| Spindle Speed Cast Iron RPM: | 918 |
| Spindle Speed Free Cutting Steel RPM: | 1644 |
| Spindle Speed Malleable Iron RPM: | 1032 |
| Spindle Speed Med. Carbon Steel RPM: | 1147 |
| Spindle Speed Stainless Steel RPM: | 459 |
| Spindle Speed Tool Steel RPM: | 688 |
| Spindle Speed Wood/Plastic RPM: | 3479 |
| Diameter (inch): | 21/64 |
| Diameter (mm): | 8.33 |
| Flute Length (mm): | 109 |
| Overall Length (mm): | 165 |
About this item:
- 21/64" HSS Long Series Drill
- ANSI B94-11
- 118° chisel point with 30° helix.
- Chisel point is suitable for general purpose drilling.
- Black Finish Twist Drills (also called blue finish) achieve their distinctive colour by steam tempering, a thermal process resulting in a porous tool coating.
- This surface helps to keep lubricant on the tool, particularly important on the cutting edges, thus reducing friction and cold welding. The result is increased tool life.
- Black finish tools are generally recommended for ferrous applications where the oxide layer aids chip flow and heat dissipation.
Alternative Products
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|---|---|---|---|---|
| Selected Product | Alternative | Alternative | Alternative | |
| Part Number: | 2500-21/64 | 2505-21/64 | 2505-21/64S | 2500-21/64S |
| Title: | 21/64" HSS Long Series Drill | 21/64" HSS Long Series Drill | 21/64" HSS Long Series Drill | 21/64" HSS Long Series Drill - Clam |
| Barcode | 9326518038085 | 9326518173458 | 9326518172901 | 9326518019190 |
| Brand | Bordo | Bordo | Bordo | Bordo |
| Diameter (inch) | 21/64 | 21/64 | 21/64 | 21/64 |
| Diameter (mm) | 8.33 | 8.33 | 8.33 | 8.33 |
| Flute Length (mm) | 109 | 109 | 109 | 109 |
| Overall Length (mm) | 165 | 165 | 165 | 165 |
| Pack Qty | 1 | 10 | 1 | 1 |
| Pack Type | Twist Pack | Clam Shell | Clam Shell | |
| Feed per revolution mm | 0.17 | 0.17 | 0.17 | 0.17 |
| Spindle Speed Tool Steel RPM | 688 | 688 | 688 | 688 |
| Spindle Speed Wood/Plastic RPM | 3479 | 3479 | 3479 | 3479 |
| Spindle Speed Aluminium/Brass RPM | 2332 | 2332 | 2332 | 2332 |
| Spindle Speed Cast Iron RPM | 918 | 918 | 918 | 918 |
| Spindle Speed Free Cutting Steel RPM | 1644 | 1644 | 1644 | 1644 |
| Spindle Speed Malleable Iron RPM | 1032 | 1032 | 1032 | 1032 |
| Spindle Speed Med. Carbon Steel RPM | 1147 | 1147 | 1147 | 1147 |
| Spindle Speed Stainless Steel RPM | 459 | 459 | 459 | 459 |