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HMT VersaDrive HSS-Cobalt Drill Bit 5.5mm
SKU: 903068
Est. £18.40 - £18.40 + VATProduct Description
All VersaDrive Drill Bits can be used in any standard 1/2" drill chuck for cordless or pistol drill use, or adapted for use in a Magnet Drill or Impact Wrench.
Fast drilling with minimal kickback; dual hardened for impact wrench use up to 10mm
Precision Ground Flutes; with deep web design for easy chip clearance.
135 Split Point for easy starting and high accuracy
8% Cobalt for long life and endurance in structural steel and hard metals.
GoldMax Low Friction Titanium Coating to stop heat burn out
High Strength, Non-Slip Shank Design
IMPACT DRILLING RECCOMENDATIONS
Diameter Min Torque Reccomended for 10mm Steel
4.2mm 125Nm
5.0mm 130Nm
5.5mm 135Nm
6.0mm 140Nm
6.5mm 145Nm
6.8mm 160Nm
7.0mm 200Nm
7.5mm 240Nm
8.0mm 280Nm
8.5mm 320Nm
9.0mm 360Nm
9.5mm 380Nm
10mm 400Nm
Application Notes
Using VersaDrive Drill Bits to drill holes with an Impact wrench:
VersaDrive Impact wrench drill bits work by utilising the high torque rotary drive of an impact wrench in a conventional rotary drilling operation.
The impact wrench mechanism should not engage or impact when drilling, if this occurs, too great drilling pressure is being used and should be reduced.
Impact wrench driven drill bits will transfer less torque then a conventional drill bit used in a rotary drill, meaning less fatigue for the operator.
An experienced operator can utilise a higher torque impact wrench or setting (if variable speed) to increase the speed of the job.
The drilling time when used with an impact wrench is slightly slower but comparable to a standard rotary pistol drill.
Using VersaDrive Drill Bits to enlarge existing holes with an Impact wrench
VersaDrive Drill Bits can be used to enlarge existing holes with an Impact Wrench. However, by default this process will utilise the impact operation (as opposed to rotary only) meaning a possibility of reduced drill bit life. For effective use the increased hole size should be no greater than two thirds of the starting hole size.
For hole sizes larger than 12mm we recommend the use of a reamer where possible.
Product Specification
| Brand | HMT |
| Model | 209010-0055 |
| Chuck Compatibility | Standard 1/2" drill chuck |
| Suitable for | Cordless or pistol drill use; Magnet Drill; Impact Wrench |
| Hardened for Impact Wrench Use | Up to 10mm |
| Design | Precision Ground Flutes; 135 Split Point; Deep web for easy chip clearance |
| Material | 8% Cobalt |
| Coating | GoldMax Low Friction Titanium |
| Shank Design | High Strength, Non-Slip |
| Recommended Torque for 10mm Steel (4.2mm) | 125Nm |
| Recommended Torque for 10mm Steel (5.0mm) | 130Nm |
| Recommended Torque for 10mm Steel (5.5mm) | 135Nm |
| Recommended Torque for 10mm Steel (6.0mm) | 140Nm |
| Recommended Torque for 10mm Steel (6.5mm) | 145Nm |
| Recommended Torque for 10mm Steel (6.8mm) | 160Nm |
| Recommended Torque for 10mm Steel (7.0mm) | 200Nm |
| Recommended Torque for 10mm Steel (7.5mm) | 240Nm |
| Recommended Torque for 10mm Steel (8.0mm) | 280Nm |
| Recommended Torque for 10mm Steel (8.5mm) | 320Nm |
| Recommended Torque for 10mm Steel (9.0mm) | 360Nm |
| Recommended Torque for 10mm Steel (9.5mm) | 380Nm |
| Recommended Torque for 10mm Steel (10mm) | 400Nm |
| Impact Drill Bit Operation with Impact Wrench | High torque rotary drive; no impact should engage during drilling |
| Maximum Starting Hole Size for Enlarging | Two thirds of the starting hole size |
| Recommended for Hole Sizes Larger Than 12mm | Use of a reamer |