Bar / “T” Knobs
We currently have over 20 different shapes of bar knobs available! No matter what your application may be, a bar knob is perfect for your clamping needs!
- Varieties available in both thermoplastic and phenolic materials.
- Sizes ranging from 1-1/32” to 3-3/8” in diameter.
- Female insert, projecting stud and thru-hole options are available. Please see the chart below for a complete list of our capabilities for each part number.
- Knobs can be decorated or customized to your specific need.
- Can’t find what you’re looking for? Contact us today to learn about our custom molding options.
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2030/2031/2032/2033
2034
3087
3088/3094
3089
3091
3093
3085
3090
3092
3098

A B C Threaded Female Insert Threaded Male Stud* Threaded Female Insert Thru-Hole Material Type Part No. Dia. Current Part Height Part Height Capab. Hub Dia. 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 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 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 TP 2030 2 1/2 3/4 .750-1.00 3/4 x o x x o x o x o o o x o x x o x o x o o o TP 2031 2 1/2 1 .750-1.00 3/4 x o x x o x o x o x o x o x x o x o x o x o TP 2032 2 1/2 3/4 .750-1.00 3/4 o o o x x x x x x x x TP 2033 2 1/2 1 .750-1.00 3/4 o x x x x x x x x x x TP 2034 2 1/2 1 1/4 N/A 1/2 o o o o o o o o x x o o o o o TP 3087 1 1/8 23/32, 1, 1 7/32 .700-1.250 1/2 o x o x o o o o x x x x o o o x o x o o o TP 3088 2 1/2 45/65, 1 1/8, 1 1/4 .700-1.250 3/4 o x o x o x x x o o o o o o x x x x x x x x o x o x o x x x o o o TP 3089 2 3/4, 1 1/8, 1 9/16, 1 3/4 .750-1.750 3/4 o o o x o x o x o o o o o o x x x x x x o o o o o x o x o x o o o TP 3091 1 1/2 3/4 N/A 3/4 o o x x o x o x o o o o x x x x x x x o o o o o x x o x o x o o o TP 3093 3 1, 1 1/64 N/A 25/32 o o o x o x o x o o o o o o x x x x x x x x o o o x o x o x o o o TP 3094 3 1/2 1 1/8 N/A 15/16 o o o o o x o x o x x o o o x x x x x x x x o o o o o x o x o x x TP 3098 3 3/8 1 N/A 1 1/8 x TS 3090 2 3/4, 25/32, 51/64, 1 1/8 .656-1.25 3/4 o o o x x x x x x o o o o o x x x x x x o o o o o x x x x x x o o TS 3092 2 1/2 1 1/8, 1 5/32 .687-1.156 3/4 o o o x o x x x o o o o o o x x x x x x x x o o o x o x x x o o o TS 3085 1 1/8 3/4, 7/8, 59/64, 1 1/4 .656-1.309 1/2 x x x x o o o x x x x x o o x x x x o o o Legend:
- * For parts with male studs, length projecting below knob must be specified.
- x Currently manufacture/tooled
- o could manufacture/requires tooling
- TS thermoset
- TP thermoplastic
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2020
2022
2084
2510
2520/2530
3081
3083
3084
3086
3096
3097

A B C Threaded Female Insert Threaded Male Stud* Threaded Female Insert Thru-Hole Material Type Part No. Dia. Current Part Height Part Height Capab. Hub Dia. 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 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 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 TP 2020 1 3/8 1 1/32 N/A 19/32 x o x x o x o o o TP 2022 1 3/8 1 1/32 N/A 19/32 x x x x x x x TP 2084 1 1/32 21/32 .500-1.574 33/64 o o o x o o o o o x o o o o o o o x o o o TP 2510 1 1/8 15/32 N/A 1/2 o o o o o o o o x x x x o o o o o o o o o TP 2520 1 3/8 5/8 N/A 5/8 o o o o o o o o o o o o x x x x o o o o o o o o o o o TP 2530 1 3/4 25/32 N/A 25/32 o o o o o o o o o o o o o o x x x x x x o o o o o o o o o o o o o TP 3081 2 1/4 1 7/16 N/A 3/4 o x o x o x o x o x x o o o x x x x x x o o o x o x o x o x o x x TP 3082 2 1/4 1 3/8 N/A 3/4 o o o x o x o x o o o o o o o o o o x x o o o o o x o x o x o o o TP 3083 1 7/16 1 1/8 N/A 5/8 o o o x o x o x o o o o x x x x o o TP 3085 1 1/4 53/64, 1 1/2 .828-1.50 5/8 o o o x x x o o o x x x x x x x o o o o o x x x o o o TP 3086 1 1/4 1 5/16 1.312-2.156 5/8 o x x x o o o o o o x x x x o o o o TP 3096 1 1/4 13/16, 7/8, 1 1/8 .8125-1.250 31/64 x x x x x TP 3097 2 1/2 1 23/64 1.359-1.500 23/32 x x x Legend:
- * For parts with male studs, length projecting below knob must be specified.
- x Currently manufacture/tooled
- o could manufacture/requires tooling
- TS thermoset
- TP thermoplastic
-
3099
A B C Threaded Female Insert Threaded Male Stud Material Type Part No. Dia. Part Height Hub Dia. 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 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 TS 3099 50 29 19 x x x x x Legend:
- * For parts with male studs, length projecting below knob must be specified.
- x Currently manufacture/tooled
- o could manufacture/requires tooling
- TS thermoset
- TP thermoplastic