Description
Carbitool TDL4B 1/2 — Drawing Line Router Bit available at Alltools Geelong.
Carbitool
TDL4B 1/2 Drawing Line Router Bit with Ball Bearing Guide Carbitool
Part No: TDL4B 1/2 | Barcode: 9314350007307 | Product Group: R653
The Carbitool TDL4B 1/2 is a 2-flute carbide-tipped Drawing Line bit with ball bearing guide. Produces the classic asymmetric drawing line moulding — a popular form on traditional double-hung windows and architraves. 4mm profile. 1/2" shank.
2 Flute
Carbide Tipped
4mm Profile
1/2" Shank
Ball Bearing Guide
Traditional Window Profile
Compatible Materials
Hardwood
Softwood
MDF
Window Frames
Architraves
Key Features & Benefits
- Classic drawing line profile — produces the traditional asymmetric moulding form found on old-style double-hung window sashes, architraves and door frames.
- Ball bearing guide — runs cleanly against the workpiece without a fence; handles straight and curved profiles.
- 2-flute carbide-tipped construction — clean, consistent finish on hardwoods and softwoods used in joinery and restoration work.
- Series of sizes available — 3 mm, 4 mm and 6 mm profiles in 1/4" and 1/2" shank options to match the scale of your moulding work.
When to Use This Bit
The TDL4B 1/2 is the specialist choice for joinery restoration, heritage window and door frame replication, and traditional timber moulding work. The drawing line form is particularly common in Victorian-era and Federation-style joinery — this bit replicates it accurately on new or replacement timber.
| Part No. | A (Cutting Dia.) inch | A mm | B1 (Cut Length) inch | B1 mm | B2 mm | C (Overall Length) inch | C mm | Shank inch | Shank mm | Barcode |
|---|---|---|---|---|---|---|---|---|---|---|
| TDL3B | — | 21.59 | 7/16 | 11.11 | 7/32 | 5.56 | 2 | 50.80 | 1/4 | 9314350007277 |
| TDL3B 1/2 | — | 21.59 | 7/16 | 11.11 | 7/32 | 5.56 | 2-1/2 | 63.50 | 1/2 | 9314350007284 |
| TDL4B | — | 23.11 | 19/32 | 15.08 | 9/32 | 7.14 | 2-3/32 | 53.18 | 1/4 | 9314350007291 |
| TDL4B 1/2 ★ | — | 23.11 | 19/32 | 15.08 | 9/32 | 7.14 | 2-3/4 | 69.85 | 1/2 | 9314350007307 |
| TDL6B | — | 26.29 | 11/16 | 17.47 | 13/32 | 10.32 | 2-1/4 | 57.15 | 1/4 | 9314350007314 |
| TDL6B 1/2 | — | 26.29 | 11/16 | 17.47 | 13/32 | 10.32 | 2-3/4 | 69.85 | 1/2 | 9314350007321 |
★ You are viewing the highlighted variant. Other sizes in this series are also available.
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