Plastic Lobe Knobs by ELESA®

Jergens Technopolymer Lobe Knobs by ELESA® are ergonomically-designed to give the user extra grip and control during operation across a wide range of industrial environments.

Features, Benefits, & Specifications:
  • Knob Material: High-Resilience Polypropylene-Based (PP) Technopolymer
  • Knob Finish & Color: Matte, Black
  • Insert Materials: Available in Brass and Steel
  • Inserts are available with a Plain Hole or a Tapped Hole
  • Resistant to solvents, oils, greases, & other chemical agents

Plastic Lobe Knobs by ELESA®

Select a part number for CAD drawings, price and stock availability.

Part Number CAD Unit Insert Material Mounting Hole Type A (In) B (In) C (In) D (In) E (In) F (In) Set Screw G Mounting Hole H I (In) J (In)
33840 Inch Brass Tapped 0.98 0.75 0.51 0.28 0.31 - - 10-32 - 0.39
33841 Inch Brass Tapped 1.26 0.91 0.59 - 0.39 - - 1/4-20 - 0.47
33842 Inch Brass Plain 1.26 0.91 0.59 0.47 0.39 0.2 10-32 1/7 - 0.47
33843 Inch Brass Tapped 1.57 1.06 0.67 - 0.47 - - 1/4-20 - 0.71
33844 Inch Brass Tapped 1.57 1.06 0.67 - 0.47 - - 5/16-18 - 0.71
33845 Inch Brass Plain 1.57 1.06 0.67 0.47 0.47 0.24 10-32 1/4 0.55 -
33846 Inch Brass Plain 1.57 1.06 0.67 0.55 0.47 0.24 10-32 5/16 0.59 -
33847 Inch Brass Tapped 1.97 1.26 0.75 - 0.55 - - 5/16-18 - 0.79
33848 Inch Brass Tapped 1.97 1.26 0.75 - 0.55 - - 3/8-16 - 0.79
33849 Inch Brass Plain 1.97 1.26 0.75 0.55 0.55 0.28 10-32 5/16 0.63 -
33850 Inch Brass Plain 1.97 1.26 0.75 0.63 0.55 0.28 10-32 3/8 0.63 -
33851 Inch Brass Tapped 2.48 1.46 0.87 - 0.63 - 1/2-13 - 1.02
33852 Inch Brass Tapped 2.48 1.46 0.87 - 0.63 - - 1/2-13 - 1.02
33853 Inch Steel Plain 2.48 1.46 0.87 0.67 0.63 0.31 1/4-20 3/8 0.79 -
33854 Inch Steel Plain 2.48 1.46 0.97 0.75 0.63 0.31 1/4-20 1/2 0.79 -
33855 Inch Brass Plain 2.91 1.71 1.02 0.75 0.87 0.31 1/4-20 1/2 0.79 -
33856 Inch Brass Tapped 2.91 1.71 1.02 - 0.87 - - 1/2-13 - 1.02
34121
34122
34123
34124
Part Number CAD Unit A (mm) B (mm) C (mm) D (mm) E F (mm)
33840
33841
33842
33843
33844
33845
33846
33847
33848
33849
33850
33851
33852
33853
33854
33855
33856
34121 Metric 32 23 19 11 M6 12
34122 Metric 40 27 21 12 M8 13
34123 Metric 50 33 25 14 M10 17
34124 Metric 60 37 27 17 M12 20

Documents and Videos

  • Operating Manual
  • Operating Manual - 81600 ONLY
  • Jergens Production Vise System
  • Jergens Production Vises Features and Benefits
  • Vertical Machine Solutions
  • Horizontal Machine Solutions
  • Hydraulic Production Vises
  • Production Vises

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