Durable 4-Prong Knobs, from the EHC Clamp Knob Series - Available with custom options, perfect to suit your requirements.
The EHC Star Knob, 4 Prong design comes in a variety of styles & sizes and are suitable for a range of applications.
KEY FEATURES
• EHC Star Clamp Knobs
• Gloss or Matt Finish
• Custom Options
EHC 4-Prong Knobs are available gloss & matt finishes and provides improved grip control.
EHC 4 PRONG CLAMP KNOBS
Specifications
4 Prong Star Knobs (Gloss Finish - High Impact Resistant Thermoplastic)
Type: Code: A: B: C; D: E: Thread:
Female 1260 1.50 0.47 0.51 0.31 1.01 1/4 5/16
Aluminum 1261 1.97 0.51 0.59 0.31 1.30 1/4 5/16 3/8
Insert 1262 2.36 0.55 0.71 0.39 1.50 5/16 3/8 1/2
1263 3.15 0.67 0.87 0.47 1.77 3/8 1/2
1264 3.94 0.79 0.87 0.51 1.97 3/8 1/2
*Also available with an equivalent plain bore as standard
Type: Code: A: B: C; D: Thread: Male Thread Length:
Male 1260/M 1.50 0.47 0.51 1.01 1/4 3/4 1 1 1/4
Plated 1261/M 1.97 0.51 0.59 1.30 5/16 1 1 1/2 2
Stud 1262/M 2.36 0.55 0.71 1.50 3/8 1 1 1/2 2
1263/M 3.15 0.6 0.87 1.77 1/2 1 1/2 2
1264/M 3.94 0.79 0.87 1.97 1/2 1 1/2 2 3
Threaded Right Through (Gloss Finish - High Impact Resistant Thermoplastic)
Type: Code: A: B: C; D: E: F: Thread:
Aluminum 1260/T 1.50 0.47 0.51 0.31 - 0.39 1/4
or Brass 1261/T 1.97 0.51 0.59 0.31 - 0.51 5/16
Insert 1262/T 2.36 0.55 0.71 0.39 - 0.63 3/8
1263/T 3.15 0.67 0.87 0.47 - 0.71 1/2
1264/T 3.94 0.79 0.87 0.51 - 0.91 1/2
4 Prong Star Knobs (Matt Finish - Duroplast)
Type: Code: A: B: C; D: Thread:
Female 2260 1.50 0.51 0.63 0.47 1/4 5/16
Aluminum 2261 1.97 0.51 0.79 0.63 1/4 5/16 3/8
Insert 2262 2.36 0.59 0.94 0.75 5/16 3/8 1/2
