GSR B00612120 porta-machos métrico M3-M10, porta-machos ajustável, 1 unid.

Manual thread cutting demands a tool that grips taps securely and transmits torque without slipping. The GSR B00612120 tap wrench solves this with hardened steel jaws that self-center on square shanks from M3 to M10, giving you precise control for clean internal threads in metal or plastic.

Who is it for

Machinists, metalworkers, maintenance technicians, and serious DIYers who need a reliable hand tap wrench for threading holes, chasing damaged threads, or using reamers and screw extractors.

Main features

• Adjustable jaws accept metric taps M3 through M10 and other square-shank tools.
• Self-centering clamping mechanism holds taps straight for accurate threading.
• High-quality tool steel body and hardened jaws withstand high torque without flexing.
• Knurled handles provide a secure, non-slip grip even with oily hands.
• Bright polished finish resists corrosion and cleans easily.
• Straight two-handle design allows balanced force application.
• Conforms to DIN 1814 for consistent jaw geometry.

Specifications

• Tool type: Tap wrench
• Thread type compatibility: Metric
• Tap size range: M3 - M10
• Material: High-quality tool steel
• Handle type: Straight, two-handle design
• Jaw type: Adjustable, hardened steel jaws
• Drive type: Square drive for tap shanks
• Number of pieces: 1
• Finish: Bright / Polished
• Overall length: 190 mm
• Jaw clamping mechanism: Self-centering, adjustable
• Construction: Robust, solid body for high torque transmission
• Ergonomics: Knurled handles for secure, non-slip grip
• Suitable for: Hand taps, reamers, screw extractors, other square-shank tools
• Standard compliance: DIN 1814
• Operation: Manual
• Corrosion resistance: Yes

Tips

Always use cutting oil when tapping metal to reduce friction and extend tap life. Start with a taper tap for through holes, then switch to a plug or bottoming tap as needed. Keep the wrench perpendicular to the workpiece and apply steady, even pressure.