The QGG Precision Manual Grinder Clamp is engineered for precision machining and inspection tasks, combining durability with exceptional clamping accuracy.
Premium Material
Made from forged high-quality alloy steel, heat-treated for high strength, wear resistance, and long service life without deformation.
High Precision
Manufactured to international precision clamping standards, with parallelism of 0.008–0.01/100mm, ensuring repeatable accuracy in workpiece positioning and machining.
Enhanced Surface Hardness
The working surface reaches HRC55° ± 2°, tested under 150kg static pressure and diamond penetration for outstanding durability under high clamping force.
Versatile Applications
Suitable for horizontal, vertical, or flat positioning on grinders, milling machines, drilling machines, and inspection platforms. Ideal for clamping, measuring, and workpiece fixing.
Optimized Structure
Precision lead screw drive for smooth, effortless adjustment and high clamping force. The slideways and guide surfaces are finely ground for stable and accurate movement.
Damage Prevention
Jaw surfaces are designed to prevent burrs or scratches on workpieces, extending the life of both the clamp and the workpieces.
What Customers Receive
1 × QGG Precision Manual Grinder Clamp (multiple sizes available)
Factory inspection report & quality certificate
User and maintenance manual
Free online technical support
Secure packaging for safe delivery
Models & Specifications
Model L (mm) A (mm) B (mm) J (mm) H (mm) E (mm) F (mm) G (mm) Clamping Range (mm) Weight (kg)
QGG38 170 115 38 48 23 48 23 0–36 1.8
QGG50 215 150 50 58 31 48 27 0–50 2.67
QGG63 250 185 63 63 35 31 27 0–63 3.73
QGG68 250 185 68 63 35 40 27 0–67 5.54
QGG80 290 210 80 80 40 40 27 0–82 6.53
QGG100 325 245 100 100 50 40 32 0–102 8.46
QGG125 345 260 125 100 50 50 36 0–127 13.8
QGG160 395 320 160 100 50 50 40 0–160 18.5
QGG200 399 350 200 100 50 50 40 0–200 35.0
After-Sales Policy
Warranty: 12 months from receipt. Free repair or replacement for manufacturing defects (excluding misuse, human damage, or normal wear).
Return & Exchange: Within 7 days of receipt, if the product has quality issues or does not match the description, contact customer service for return or exchange.
Technical Support: Lifetime online technical guidance and maintenance advice.
Shipping Guarantee: Secure packaging and full tracking to ensure safe delivery.
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