Removable Shank
Carbide Core
Bits
The bit that started it all! The Core-Style Multiple-Cutter bit has a 4-1/4" length with a 3-1/2" core depth. The removable shank allows the user to choose the overall length needed for extra-deep drilling. Starter Points are available, and we also offer diamond drill rig adaptors that allow Relton TD core bits to mount on diamond drill rigs. |
| Diameter | TD Core Bit Complete - 9" OAL |
TD Core Bit Head Only |
Suggested RPM |
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|---|---|---|---|---|---|---|---|---|
| Part No. | List Price | Wt.(lbs) | Part No. | List Price | Wt.(lbs) | |||
| 7/8" | TD-14 | $ 65.00 | 0.8 | TD-14HO | $ 55.00 | 0.4 | 600-850 | |
| 1" | TD-16 | 72.00 | 0.9 | TD-16HO | 62.00 | 0.5 | 500-750 | |
| 1 1/8" | TD-18 | 78.00 | 1.1 | TD-18HO | 68.00 | 0.7 | 500-750 | |
| 1 1/4" | TD-20 | 86.00 | 1.1 | TD-20HO | 76.00 | 0.7 | 450-600 | |
| 1 3/8" | TD-22 | 92.00 | 1.3 | TD-22HO | 82.00 | 0.9 | 450-600 | |
| 1 1/2" | TD-24 | 98.00 | 1.4 | TD-24HO | 88.00 | 1 | 350-500 | |
| 1 5/8" | TD-26 | 105.00 | 1.4 | TD-26HO | 95.00 | 1 | 350-500 | |
| 1 3/4" | TD-28 | 112.00 | 1.6 | TD-28HO | 102.00 | 1.2 | 350-500 | |
| 2" | TD-32 | 124.00 | 2.2 | TD-32HO | 114.00 | 1.5 | 350-500 | |
| 2 1/4" | TD-36 | 157.00 | 2.8 | TD-36HO | 147.00 | 2.1 | 350-500 | |
| 2 1/2" | TD-40 | 171.00 | 3.1 | TD-40HO | 161.00 | 2.4 | 350-500 | |
| 3" | TD-48 | 217.00 | 3.7 | TD-48HO | 207.00 | 3 | 350-500 | |
Shanks for 7/8" - 1-3/4" TD Core bits
| Part No. | Shank Dia. | Thread | To Make OAL Bit Length |
List Price | WT (lbs) |
|---|---|---|---|---|---|
| TDS-2-9* | 1/2" | 1/2-13 | 9" | $10.00 | 0.4 |
| TDS-2-12 | 12" | 12.00 | 0.5 | ||
| TDS-2-18 | 18" | 18.00 | 0.9 | ||
| TDS-2-24 | 24" | 24.00 | 1.2 | ||
| * Supplied with complete bit | |||||
Shanks for 2" - 3" TD Core bits
| Part No. | Shank Dia. | Thread | To Make OAL Bit Length |
List Price | WT (lbs) |
|---|---|---|---|---|---|
| TDS-3-9* | 1/2" | 3/4-10 | 9" | $10.00 | 0.7 |
| TDS-3-12 | 12" | 12.00 | 0.9 | ||
| TDS-3-18 | 18" | 18.00 | 1.7 | ||
| TDS-3-24 | 24" | 24.00 | 2.5 | ||
| * Supplied with complete bit | |||||
Stright Shank Rotary/Rotary Percussion Bit Index
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EZ Starter Points for Rotary Core Bits
| Part No. | Will Fit These
Relton Core Bit Diameters |
List Price | Wt.(lbs) |
|---|---|---|---|
| SP-10 | 5/8" | $12.50 | 0.1 |
| SP-12 | 3/4" | 13.00 | 0.1 |
| SP-14 | 7/8" | 13.50 | 0.1 |
| SP-16 | 1" | 14.60 | 0.1 |
| SP-18 | 1 1/8" | 15.40 | 0.1 |
| SP-20 | 1 1/4" | 18.60 | 0.2 |
| SP-22 | 1 3/8" thru 1 5/8" | 19.30 | 0.2 |
| SP-28 | 1 3/4 thru 2 1/4" | 24.20 | 0.2 |
| SP-40 | 2 1/2" thru 3" | 41.00 | 0.6 |
Stright Shank Rotary/Rotary Percussion Bit Index
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A complete price list available on request | 
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offers three methods of ordering.
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Send your orders, comments and questions to us, all comments are welcome.
| Q & A@BarrettDiamond.com | SALES@BarrettDiamond.com |
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