Whirly Bits / Integral Bits
Micon Products Ltd. supplies high quality integral drill bits also known as whirly bits for use in mining and construction. We have rock drill bits in many different sizes and lengths.
Standard shank size is 7/8”x4-1/4” for use on hand held rock drills as well as pluggers.
7/8”x3-1/4” shank sizes available on request.
We also have high quality bits for hand held CP9 and MRD9 rock drills.
Integral Bits (Whirley Bits)
| Part # | Bit Size mm | Bit Size Inches | Length Under Collar | Drill Depth | Weight Lbs |
| 711-2117 | 17mm | 5/8" | 8" | 6" | 1¾ |
| 711-3617 | 17mm | 5/8" | 14" | 111/2" | 2¼ |
| 711-2120 | 20mm | 3/4" | 8" | 6" | 1¾ |
| 711-3120 | 20mm | 3/4" | 12" | 10" | 2¼ |
| 711-4820 | 20mm | 3/4" | 18" | 16" | 3 |
| 711-6320 | 20mm | 3/4" | 24" | 21" | 3½ |
| 711-2122 | 22mm | 7/8" | 8" | 6" | 1¾ |
| 728-0422 | 22mm | 7/8" | 14" | 11" | 3 |
| 728-0425 | 25mm | 1" | 14" | 12" | 3 |
| 728-0625 | 25mm | 1" | 24" | 22" | 4 |
| 728-0627 | 27mm | 11/16" | 24" | 22" | 4 |
| 728-0429 | 29mm | 11/8" | 14" | 11" | 3 |
| 728-0432 | 32mm | 11/4" | 14" | 12" | 3 |
| 714-0632 | 32mm | 11/4" | 24" | 22" | 4 |
| 714-0834 | 34mm | 13/8" | 32" | 30" | 5¼ |
| 728-0435 | 35mm | 13/8" | 14" | 12" | 3 |
| 714-0635 | 35mm | 13/8" | 24" | 22" | 5 |
| 728-0438 | 38mm | 11/2" | 14" | 12" | 3 |
| 714-0638 | 38mm | 11/2" | 24" | 22" | 4 |
| 714-0840 | 40mm | 15/8" | 32" | 30" | 5¼ |
| 714-0641 | 41mm | 15/8" | 24" | 22" | 4 |
| 7/8" x 3 1/4" Also Available 3/4" x 4 1/4" Also Available Other Sizes Available On Request |
CP-9/MRD-9 Bits
| Part # | Bit Size mm | Bit Size Inches | Length Under Collar | Drill Depth | Weight Lbs |
| CP9-5/8x8 | 17mm | 5/8" | 13" | 8" | 1¼ |
| CP9-5/8x12 | 17mm | 5/8" | 17" | 12" | 1¾ |
| CP9-3/4x8 | 20mm | 3/4" | 13" | 8" | 1¼ |
| CP9-3/4x12 | 20mm | 3/4" | 17" | 12" | 1¾ |
| CP9-7/8x8 | 22mm | 7/8" | 13" | 8" | 1½ |
| CP9-7/8x12 | 22mm | 7/8" | 17" | 12" | 2 |
| CP9-1x8 | 25mm | 1" | 12" | 8" | 1½ |
| CP9-1x12 | 25mm | 1" | 17" | 12" | 2 |
| Other Sizes Available On Request Points and Chisels Also Available for CP-9 / MRD -9 |