Set of
4 RICHTER mortise chisels 3-6-10-12 mm NAREX

Available, delivery time: 1-3 businessdays within Germany
Product information
After the great international success of the RICHTER chisels, it was only logical for the manufacturer NAREX to expand the series to other product groups and set interesting accents.
Not everyone appreciated the typically club-like handle dimensions of other mortise chisels available. The more delicate appearance of the RICHTER mortise chisels offers a welcome alternative, especially for users with small to medium-sized hands. Polished ash wood from Czech sources is used, secured by sturdy stainless steel ferrules, allowing it to withstand even hard blows. A cushioning leather insert is placed at the transition between the handle and the blade.
The cross-section of the blades is slightly tapered, meaning the sides do not form a right angle with the face side; instead, the material tapers towards the top. This design reduces friction against the mortise wall and allows for minor adjustments when chiseling.
The bevel, ground to 24°, allows users to easily approach the optimal angle, which can range up to 35 or even 40°, by honing a micro-bevel as needed. In addition to the material being worked on, personal working style also plays a role here. The flatter the angle, the less resistance when chiseling; the steeper the angle, the more robust the edge (less risk of chipping or bending the edge).
Here, too, the blade is forged traditionally from chrome-vanadium steel and treated at low temperatures*) to achieve a minimum hardness of 62 HRC.
- Cryogenic treatment
Immediately after initial hardening, the steel undergoes cryogenic treatment, being cooled to very low temperatures of up to -190 °C using liquid nitrogen. This completes the transformation of austenite, increasing both the hardness and toughness of the steel.
Technical Specifications:
- Total length: 285 mm
- Blade length: 149 mm
- Maximum mortise depth: 145 mm
- Blade thickness: 10 – 13 mm
- Blade material: CR-V steel, cryogenically treated
- Hardness: >= 62 HRC
- Grinding angle: 24°
- Handle diameter: 20 – 30 mm
- Handle length: 136 mm
- Handle material: Ash wood, polished
- Ferrules: Stainless steel
Set consists of the sizes:
1/8 inch (3.2 mm)
1/4 inch (6.35 mm)
3/8 inch (9.5 mm)
1/2 inch (12.7 mm)
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