GSR B08802030 Portamaschi M1 - M10 DIN 1814

For machinists and metalworkers who need precise manual threading, the GSR B08802030 tap wrench handles taps from M1 to M10. Its DIN 1814 design and two-jaw chuck provide a secure grip on square and round shanks, making it a reliable tool for creating internal threads in workshops and on-site.

Key specifications

• Tool type: Tap wrench
• Standard: DIN 1814
• Size designation: Size 1
• Thread capacity (metric): M1 - M10
• Square shank capacity: 1.6 - 8.0 mm
• Round shank capacity: 2.0 - 9.0 mm
• Overall length: 190 mm
• Material: Tool steel
• Finish: Polished
• Handle type: Straight, knurled
• Adjustment mechanism: Two-jaw chuck
• Number of handles: 2
• Drive type: Manual

Why choose it

This tap wrench offers a firm hold on small taps and reamers, reducing the risk of slippage during threading. The knurled handles provide a comfortable grip, while the polished tool steel construction ensures durability and resistance to wear.

Ideal use cases

• Manual threading of metric threads from M1 to M10
• Reaming and holding small tools with round shanks
• Precision work in metalworking, maintenance, and repair

Good to know

The wrench conforms to DIN 1814, a recognized standard for tap wrenches, ensuring compatibility with standard taps. Its size 1 designation indicates it is suited for smaller taps, common in fine mechanics and model making.