No.28S T.C.T. Bolt Filling Bit "Small Type"
USE
Counter boring for fixed bolt nuts.
FEATURES
- 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 1,000～1,500rpm |
| Shank Shape |  ：Hexagon |
Sizes
No Drill：Guide×Cutter
Size：D1×D2 Shank Shape：d Unit：mm
| Product No. | Size | Shank Shape |
|---|---|---|
| 28S-1224 | 12X24 | 10 |
| 28S-1230 | 12X30 | 10 |
| 28S-1233 | 12X33 | 10 |
| 28S-1235 | 12X35 | 10 |
| 28S-1236 | 12X36 | 10 |
| 28S-1240 | 12X40 | 10 |
| 28S-1245 | 12X45 | 10 |
| 28S-1530 | 15X30 | 10 |
| 28S-1535 | 15X35 | 10 |
| 28S-1536 | 15X36 | 10 |
| 28S-1540 | 15X40 | 10 |
| 28S-1545 | 15X45 | 10 |
| 28S-1845 | 18X45 | 10 |
| 28S-2145 | 21X45 | 10 |
| 28S-2445 | 24X45 | 10 |
QTY(Inner Box)：1pc
With Drill：Guide×Cutter+Drill
Size：D1×D2 Shank Shape：d Unit：mm
| Product No. | Size | Shank Shape |
|---|---|---|
| 28S-D1224 | 12X24 | 10 |
| 28S-D1230 | 12X30 | 10 |
| 28S-D1233 | 12X33 | 10 |
| 28S-D1235 | 12X35 | 10 |
| 28S-D1236 | 12X36 | 10 |
| 28S-D1240 | 12X40 | 10 |
| 28S-D1245 | 12X45 | 10 |
| 28S-D1530 | 15X30 | 10 |
| 28S-D1535 | 15X35 | 10 |
| 28S-D1536 | 15X36 | 10 |
| 28S-D1540 | 15X40 | 10 |
| 28S-D1545 | 15X45 | 10 |
| 28S-D1845 | 18X45 | 10 |
| 28S-D2145 | 21X45 | 10 |
| 28S-D2445 | 24X45 | 10 |
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 |
|---|---|---|---|---|
| 28S-G120 | 12 | 150 | 70 | 10 |
| 28S-G150 | 15 | 150 | 70 | 10 |
| 28S-G180 | 18 | 150 | 70 | 10 |
| 28S-G210 | 21 | 150 | 70 | 10 |
| 28S-G240 | 24 | 150 | 70 | 10 |
Drill
Size：D Overall Length：L Spiral Length：SL Shank Shape：d Unit：mm
| Product No. | Size | Overall Length | Spiral Length | Shank Shape |
|---|---|---|---|---|
| 28S-D120 | 12 | 220 | 140 | 10 |
| 28S-D150 | 15 | 220 | 140 | 10 |
| 28S-D180 | 18 | 220 | 140 | 10 |
| 28S-D210 | 21 | 220 | 140 | 10 |
| 28S-D240 | 24 | 220 | 140 | 10 |
| 28S-LD120 | 12 | 280 | 200 | 10 |
| 28S-LD150 | 15 | 280 | 200 | 10 |
Cutter
Size：D Overall Length：L Unit：mm
| Product No. | Size | Overall Length |
|---|---|---|
| 28S-C240 | 24 | 36 |
| 28S-C300 | 30 | 36 |
| 28S-C330 | 33 | 36 |
| 28S-C350 | 35 | 36 |
| 28S-C360 | 36 | 36 |
| 28S-C400 | 40 | 36 |
| 28S-C450 | 45 | 36 |
Stopper
| Product No. | Size |
|---|---|
| 28S-SP | Shank Shape 10mm only |
※The stopper cannot be set to the cutter with 24mm diameter.
Other Assembly
Unit：mm
| Product No. | Name | Size |
|---|---|---|
| 28S-OP1 | Screw with Nut | 8Ｘ12 |
| 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
- Setting the Stopper on the Cutter will enable boring holes with the same hole depth. This can only be done with 10mm diameter drill shank.
