• Clamp Levers


Plastic Clamp Lever, Female Screw

Dimension Drawing

LEFPlastic Clamp Levers, Female Screw寸法図

*1: Setscrew head shapes have been changed from hex sockets to hexalobular sockets.



M (Coarse)
Nominal of Thread
Lf min.
Lever Part

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch Lf min. R H H' h s D d Tooth No. Max. load
Max. tightening force
Lever Part
CAD Add to Cart
LEF-3-SG M3 0.5 7 45 35.5 39 24.5 4.2 13 10 18 9 0.95 SG 14 6.30 CAD Cart

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Lever Part Nylon 6 (Various Color)
Thread Part SUM22L
Ferrosoferric Oxide Film (Black)
Setscrew Steel
Ferrosoferric Oxide Film (Black)
Serration Ring (Insert) Zinc Die Cast
Spring Stainless Steel Wire or SWPB


  • A serration ring made of zinc die cast is inserted into the lever body made of plastic. They also realize sufficient strength for fitting with metal thread serration.
  • A rich variety of thread sizes from M3 to M12 are available.
  • There are three types of thread part materials:
    LEF----Made of steel / ferrosoferric oxide film (black)
    LEFE----Made of steel / electroless nickel plating
    LEFS----Made of stainless steel
  • LEFE has electroless nickel plating applied to its thread part made of steel to enhance its corrosion resistance.
  • There are three color variations for the lever part. They can be selected by the end symbol of the part number.
End Symbol Lever Part Color
BK Matte black
SG Matte Silver
OR Matte orange

Only takes a minute to understand! How to Use Clamp Levers.

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