4 Arm Prong Knobs

In stock

Lobed knobs, also called clamping knobs, have a scalloped edge with four grip points to allow for maximum grip and comfort, even while wearing gloves.

These durable lobed knobs are impact- and chemical-resistant and provide a neat appearance for finished applications that require precision adjustments.

Reid Supply has a wide range of 4-lobed knobs, from plastic knobs to stainless steel and iron in a variety of thread sizes and mounting types.

Learn more about what solutions exist for your application in our article on selecting the right knobs and handles.

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Product SKUs information
Price range	Availability	Thread Size	Overall Diameter	Mount Type	Thread Length	Knob Material	Overall Height	Brand
$25.84 - $25.84	7 In stock	Non Threaded	1.570 in 39.9 mm	Reamed		Stainless Steel	0.980 in 24.9 mm	Kipp

$11.10 - $11.10	Request the lead time here	Non Threaded	1.500 in 38.1 mm	Reamed		Iron	1.938 in 49.2 mm	Reid Select

$26.02 - $26.02	Request the lead time here	Non Threaded	2.500 in 63.5 mm	Reamed		Aluminum	1.125 in 28.6 mm	Reid Select

$1.13 - $1.78	1532 In stock	5/16-18	1.970 in 50 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.260 in 32 mm	Reid Select

$0.79 - $1.24	357 In stock	1/4-20	1.260 in 32 mm	Male	0.510 in 13 mm	Thermoplastic	1.410 in 35.8 mm	Reid Select

$16.48 - $25.89	15 In stock	1/2-13	2.500 in 63.5 mm	Male	3.000 in 76.2 mm	Iron	1.500 in 38.1 mm	Reid Select

$1.51 - $2.38	Request the lead time here	5/16-18	1.570 in 39.9 mm	Male	1.000 in 25.4 mm	Phenolic	2.280 in 57.9 mm	Reid Select

$0.93 - $1.46	34 In stock	1/4-20	1.570 in 39.9 mm	Male	1.250 in 31.8 mm	Phenolic	2.830 in 71.9 mm	Reid Select

$7.15 - $7.95	Request the lead time here	1/4-20	1.125 in 28.6 mm	Male w/ Dog Point	1.500 in 38.1 mm	Steel		Reid Select

$14.62 - $16.25	28 In stock	1/2-13	2.500 in 63.5 mm	Male w/ Dog Point	3.000 in 76.2 mm	Steel		Reid Select

$4.94 - $4.94	73 In stock	Non Threaded	1.500 in 38.1 mm	Reamed		Aluminum	0.875 in 22.2 mm	Jergens

$7.70 - $12.10	28 In stock	Non Threaded	2.000 in 50.8 mm	Reamed		Iron	0.813 in 20.7 mm	Reid Select

$1.34 - $2.10	7 In stock	1/4-20	0.980 in 24.9 mm	Male	0.750 in 19.1 mm	Phenolic	1.660 in 42.2 mm	Reid Select

$0.97 - $1.52	109 In stock	1/4-20	1.260 in 32 mm	Male	1.000 in 25.4 mm	Phenolic	2.140 in 54.4 mm	Reid Select

$1.13 - $1.78	53 In stock	3/8-16	1.970 in 50 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.260 in 32 mm	Reid Select

$0.91 - $1.43	Request the lead time here	1/4-20	1.570 in 39.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.100 in 27.9 mm	Reid Select

$1.24 - $1.95	2 In stock	3/8-16	1.970 in 50 mm	Male	1.380 in 35.1 mm	Thermoplastic	2.500 in 63.5 mm	Reid Select

$2.42 - $3.81	9 In stock	5/16-18	1.970 in 50 mm	Male	0.980 in 24.9 mm	Thermoplastic	2.100 in 53.3 mm	Reid Select

$11.16 - $17.53	30 In stock	1/4-20	2.000 in 50.8 mm	Male	1.750 in 44.5 mm	Iron	0.875 in 22.2 mm	Reid Select

$20.08 - $31.56	8 In stock	5/8-11	2.750 in 69.9 mm	Male	1.750 in 44.5 mm	Iron	1.750 in 44.5 mm	Reid Select