DORMER
Dormer G136 HSS Straight Shank Countersink 90º 8.00mm G1368.0
Model G1368.0
Best price
Where to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked within the hour | £9.95£40.68 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £39.22 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked 23 hours ago | £39.82 | 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 5% above the lowest we have seen.
About this product
The Dormer G136 is an 8.00mm HSS straight shank countersink with a 90° cutting angle, used to produce accurate conical seats for countersunk screws. It can also serve as a de-burring tool. Made from high-speed steel with a bright, uncoated finish, it has a three-flute, ground-all-over design and a cylindrical straight shank, conforming to the DIN 335 C standard, with right-hand rotation and cutting.
Suitable for use in free-machining steels, plain carbon steels, alloy steels, copper and copper alloys, making it a versatile choice for general machining and fabrication work.
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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