No.28L T.C.T. Bolt Filling Bit "Large Type"
USE
Counter boring for Hall Down tools, or Square bolt nuts.
FEATURES
- For Counter-boring with the guide bar fitted in the drilled hole.
- Upon changing the guide bar to the drill, counter boring and pre-hole drilling can be done at the same time.
Specifications
| Usage | Wood |
|---|---|
| Material(s) | Guide・Drill：High Carbon Steel Cutter：High Carbon Steel with T.C.T. |
| Recommended tool(s) | Electric Power Drill |
| RPm | Less than 500～1,000rpm |
| Shank Shape |  ：Hexagon |
Sizes
No Drill：Guide×Cutter
Size：D1×D2 Shank Shape：d Unit：mm
| Product No. | Size | Shank Shape |
|---|---|---|
| 28L-1870 | 18X70 | 13 |
| 28L-1875 | 18X75 | 13 |
| 28L-1880 | 18X80 | 13 |
| 28L-1885 | 18X85 | 13 |
| 28L-1890 | 18X90 | 13 |
| 28L-1895 | 18X95 | 13 |
| 28L-2170 | 21X70 | 13 |
| 28L-2175 | 21X75 | 13 |
| 28L-2180 | 21X80 | 13 |
| 28L-2185 | 21X85 | 13 |
| 28L-2190 | 21X90 | 13 |
| 28L-2195 | 21X95 | 13 |
QTY(Inner BOx)：1pc
With Drill：Guide×Cutter+Drill
Size：D1×D2 Shank Shape：d Unit：mm
| Product No. | Size | Shank Shape |
|---|---|---|
| 28L-D1870 | 18X70 | 13 |
| 28L-D1875 | 18X75 | 13 |
| 28L-D1880 | 18X80 | 13 |
| 28L-D1885 | 18X85 | 13 |
| 28L-D1890 | 18X90 | 13 |
| 28L-D1895 | 18X95 | 13 |
| 28L-D2170 | 21X70 | 13 |
| 28L-D2175 | 21X75 | 13 |
| 28L-D2180 | 21X80 | 13 |
| 28L-D2185 | 21X85 | 13 |
| 28L-D2190 | 21X90 | 13 |
| 28L-D2195 | 21X95 | 13 |
QTY(Inner Box)：1pc
Assembly
Guide
Size：D Overall Length：L Spiral Length：SL Shank Shape：d Unit：mm
| Product No. | Size | Overall Length | Spiral Length | Shank Shape |
|---|---|---|---|---|
| 28L-G180 | 18 | 150 | 70 | 13 |
| 28L-G210 | 21 | 150 | 70 | 13 |
Drill
Size：D Overall Length：L Spiral Length：SL Shank Shape：d Unit：mm
| Product No. | Size | Overall Length | Spiral Length | Shank Shape |
|---|---|---|---|---|
| 28L-D180 | 18 | 280 | 170 | 13 |
| 28L-D210 | 21 | 280 | 170 | 13 |
Cutter
Size：D Overall Length：L Unit：mm
| Product No. | Size | Overall Length |
|---|---|---|
| 28L-C700 | 70 | 39 |
| 28L-C750 | 75 | 39 |
| 28L-C800 | 80 | 39 |
| 28L-C850 | 85 | 39 |
| 28L-C900 | 90 | 39 |
| 28L-C950 | 95 | 39 |
Other Assembly
Unit：mm
| Product No. | Name | Size |
|---|---|---|
| 28-OP1 | Screw with Nut | 8X15 |
| 28-OP2 | Hex Wrench | 4 |
Custom Auger Bits
Any Length and any size are available depending on your needs. We can make various Auger Bits to comply with your needs.
Bits of knowledge
- Hall Down Bracket is one of the reinforcement tools that are necessary to prevent slipping off the pillar from the foundation or from the beam in case of an earthquake or a typhoon. This bracket is required.
Catalog
