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Clamping Nuts & Spanners

Gem manufactures Clamping nuts and Spanners of various sizes and shapes which are listed below. We can supply customised clamping nuts and spanners according to the customers' requirements

Advantages

The advantages of Gem Clamping nuts and spanners are

  • Imbalance compensation for high-speed applications
  • Up to 80% higher clamping force
  • New Collet Locking System
  • Protection against corrosion
  • Interchangeable with all other nuts per DIN STD 6499

Benefits

The benefits of Gem Clamping nuts and spanners are

  • Material: Reduced wear and increased life of the spanner
  • Q+ Balancing: Ideal for high-speed applications
  • Higher Clamping Force: Lower frictional forces resulting in up to 80% higher gripping force over standard non-treated clamping nuts
  • Matched Tooling System for Best Fit: Whole system stands for highest precision and longest tool life
  • Ergonomy: Prevents damaging of collets on tool changes

Hexagonal Nut for ER Collet Chuck  
Hexagonal Nut for ER Collet Chuck
PART No. A B T SPANNER TO BE USED
GEM/NUT/ER 11 19 11.5 M14x0.75 GEM/SP/ER 11
GEM/NUT/ER 16 28 17.0 M22x1.50 GEM/SP/ER 16
GEM/NUT/ER 20 34 19.0 M25x1.50 GEM/SP/ER 20
     
Slotted Nut for ER Collet Chuck  
Slotted Nut for ER Collet Chuck
PART No. A B T SPANNER TO BE USED
GEM/NUT/ER 25 42 20.0 M32x1.50 GEM/SP/ER 25
GEM/NUT/ER 32 50 22.0 M40x1.50 GEM/SP/ER 32
GEM/NUT/ER 40 63 25.0 M50x1.50 GEM/SP/ER 40
     
Mini Nut for ER Collet Chuck  
Mini Nut for ER Collet Chuck
PART No. A B T SPANNER TO BE USED
GEM/NUT/ER 11M 16 11.5 M13x0.75 GEM/MN/ER 11
GEM/NUT/ER 16M 22 17.0 M19x1.00 GEM/MN/ER 16
GEM/NUT/ER 20M 28 19.0 M24x1.00 GEM/MN/ER 20
GEM/NUT/ER 25M 35 20.0 M30x1.00 GEM/MN/ER 25

Spanner for ER Collet Chuck

Type HN for Hexagonal Nut  
Type HN for Hexagonal Nut
PART No. W L SUITABLE FOR NUT
GEM/SP/ER 11 17.0 155 GEM/NUT/ER 11
GEM/SP/ER 16 25.0 210 GEM/NUT/ER 16
GEM/SP/ER 20 30.0 250 GEM/NUT/ER 20
     
Type SN for Slotted Nut  
Type SN for Slotted Nut
PART No. L SUITABLE FOR NUT
GEM/SP/ER 25 160 GEM/NUT/ER 25
GEM/SP/ER 32 165 GEM/NUT/ER 32
GEM/SP/ER 40 228 GEM/NUT/ER 40
     
Type MN for Mini Nut  
Type MN for Mini Nut
PART No. A SPANNER TO BE USED
GEM/MN/ER 11 100 GEM/NUT/ER 11M
GEM/MN/ER 16 140 GEM/NUT/ER 16M
GEM/MN/ER 20 140 GEM/NUT/ER 20M
GEM/MN/ER 25 148 GEM/NUT/ER 25M

For ordering Clamping Nuts and Spanners, contact us
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