DORMER
Dormer G136 HSS Straight Shank Countersink 90º 12.40mm G13612.4
Model G13612.4
Best price
Where to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked an hour ago | £13.95£50.10 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £48.15 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked an hour ago | £49.02 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyToday's price is below the 53-day average, and 8% above the lowest we have seen.
About this product
The Dormer G136 is a 90° straight shank countersink made from high-speed steel with a bright, uncoated finish. It has a three-flute, ground-all-over design that produces clean, accurate conical seats for countersunk screws, and it can also be used as a de-burring tool.
Suitable for use with free-machining steels, plain carbon steels, alloy steels, copper and copper alloys, it is a versatile tool for general machining and fabrication work. It has right-hand rotation and cutting, conforms to the DIN 335 C standard for straight shank countersinks, and this version measures 12.40mm.
Features and Benefits
- Bright (uncoated)
- High Speed Steel Tool Material
- DIN 335 C – Straight Shank Countersink Standards
- Right Hand Rotation / Cutting
- 90° Countersink
- Cylindrical Shank / Straight Shank
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