For Plastic Knobs, Clamping Knobs, Appliance Knobs, Control Knobs, Metal Knobs, and other products
Standard Fasteners  
Phenolic Clamping Knobs

CUSTOM OPTIONS

Ask your representative for additional information and assistance.

Call us to discuss your specific requirements. We are happy to work with you from the design stage all the way through to delivery.

CUSTOMIZATION
OEP's modern manufacturing facilities allow production of

  • A wide array of colors
  • Company logos
  • Custom design or shapes to your print
  • Laser Engraving, printing, plating or painting
  • Existing standard tooling can often be modified to meet your application.
  • Side set screw available with some standard styles.
  • Assembly

For Plastic Knobs, Clamping Knobs, Control Knobs, Metal Knobs, and other products

CONTRACT ASSEMBLY
We offer a wide variety of contract assembly services to assist your manufacturing needs. Our expertise in this specialized field can:

  • reduce production costs and defects.
  • improve the quality of workmanship.
  • decrease manufacturing time and start-up.
  • increase efficiencies by utilizing our technology and trained staff.

3 PRONG CLAMPING KNOBS

OEP Three Prong Clamping Knobs have an attractive modern design. These knobs are ideal for applications that require quick hand adjustments.

Available with free spin or Knob-Lok self-locking vibration resistant feature. Available with Blind Hole. Metric sizes available.
PART NO.
DIMENSIONS
(INCHES)
FEMALE & MALE METAL INSERTS
AVAILABLE IN FOLLOWING SIZES
A
B
C
D
6-32
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
1/2-13
1/2-20
1018
1.12
0.75
0.62
0.31
1028
1.75
0.87
0.85
0.31
1032
2.00
1.00
0.85
0.50
1128
1.75
1.21
0.62
0.66
1132
2.00
1.75
0.85
1.25
1228
1.75
0.87
0.62
0.31

CONTOURED 3 PRONG KNOBS
This extra large Three Prong Knob has a matte finish and decorative curved body. It is ideal for use where a large gripping surface is desired.

Available with free spin or Knob-Lok self-locking vibration resistant feature. Available with Blind Hole. Metric sizes available.
PART NO.
DIMENSIONS
(INCHES)
FEMALE & MALE METAL INSERTS
AVAILABLE IN FOLLOWING SIZES
A
B
C
D
6-32
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
1/2-13
1/2-20
1540
2.25
0.81
0.80
0.21

4 PRONG CLAMPING KNOBS

OEP Four Prong Clamping Knobs are intended for heavy applications where a strong, sure grip is desired.

Available with free spin or Knob-Lok self-locking vibration resistant feature. Available with Blind Hole. Metric sizes available.
PART NO.
DIMENSIONS
(INCHES)
FEMALE & MALE METAL INSERTS
AVAILABLE IN FOLLOWING SIZES
A
B
C
D
6-32
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
1/2-13
1/2-20
2032
2.00
1.00
0.85
0.50
2044
2.75
1.12
1.22
0.50

5 STAR CLAMPING KNOBS

OEP Five Star Clamping Knobs are uniquely designed to provide to a comfortable and secure grip for high-torque applications. All edges have been rounded to eliminate any sharp corners for optimal comfort.

Available with free spin or Knob-Lok self-locking vibration resistant feature. Available with Blind Hole. Metric sizes available.
Available in glossy or textured finish.
PART NO.
DIMENSIONS
(INCHES)
FEMALE & MALE METAL INSERTS
AVAILABLE IN FOLLOWING SIZES
A
B
C
D
6-32
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
1/2-13
1/2-20
7320
1.25
0.56
0.59
0.14
7122
1.37
0.75
0.74
0.34
7028
1.75
0.80
0.84
0.35
7036
2.25
0.95
0.85
0.50
7T36
2.25
0.95
0.85
0.50

"T" KNOBS

OEP "T" Knobs are designed for applications where clearance may be a problem, but additional torque may be required.

Available with free spin or Knob-Lok self-locking vibration resistant feature. Available with Blind Hole. Metric sizes available.
PART NO.
DIMENSIONS
(INCHES)
FEMALE & MALE METAL INSERTS
AVAILABLE IN FOLLOWING SIZES
A
B
C
D
6-32
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
1/2-13
1/2-20
3018
1.12
0.75
0.50
0.12
3118
1.12
1.25
0.50
0.62
3024
1.59
0.41
0.65
-
3032
2.00
1.12
0.75
0.50
3040
2.50
1.12
0.75
0.50
3140
2.50
1.21
0.75
0.62

FLUTED CLAMPING KNOBS

OEP Fluted Clamping Knobs are engineered for heavy torque applications. Large flutes and a wide hub create a sturdy knob for high impact applications.

Available with free spin or Knob-Lok self-locking vibration resistant feature. Available with Blind Hole. Metric sizes available.
PART NO.
DIMENSIONS
(INCHES)
FEMALE & MALE METAL INSERTS
AVAILABLE IN FOLLOWING SIZES
A
B
C
D
6-32
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16