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
$1.06 - $1.66	760 In stock	5/16-18	1.570 in 39.9 mm	Male	1.250 in 31.8 mm	Phenolic	2.830 in 71.9 mm	Reid Select

$26.02 - $26.02	41 In stock	Non Threaded	2.500 in 63.5 mm	Reamed		Aluminum	1.125 in 28.6 mm	Reid Select

$1.80 - $2.83	78 In stock	3/8-16	3.150 in 80 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.610 in 40.9 mm	Reid Select

$2.90 - $2.90	Request the lead time here	1/4-20	1.260 in 32 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.820 in 46.2 mm	Reid Select

$2.81 - $4.42	Request the lead time here	3/8-16	2.360 in 59.9 mm	Male	1.500 in 38.1 mm	Thermoplastic	2.800 in 71.1 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

$5.45 - $5.45	70 In stock	Non Threaded	2.125 in 54 mm	Reamed		Aluminum	1.250 in 31.8 mm	Jergens

$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

$0.79 - $1.24	Request the lead time here	1/4-20	1.180 in 30 mm	Male	0.510 in 13 mm	Thermoplastic	0.870 in 22.1 mm	Reid Select

$0.98 - $1.54	Request the lead time here	5/16-18	1.580 in 40.1 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.930 in 49 mm	Reid Select

$7.11 - $7.90	Request the lead time here	5/16-18	1.500 in 38.1 mm	Male w/ Dog Point	1.750 in 44.5 mm	Steel		Reid Select

$9.86 - $9.86	53 In stock	Non Threaded	1.250 in 31.8 mm	Reamed		Stainless Steel	0.790 in 20.1 mm	Kipp

$0.97 - $1.52	115 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

$21.01 - $33.01	41 In stock	Non Threaded	3.500 in 88.9 mm	Reamed		Iron	1.438 in 36.5 mm	Reid Select

$11.38 - $17.89	16 In stock	Non Threaded	2.500 in 63.5 mm	Reamed		Iron	2.188 in 55.6 mm	Reid Select

$2.23 - $3.50	178 In stock	3/8-16	2.480 in 63 mm	Male	1.750 in 44.5 mm	Phenolic	4.090 in 103.9 mm	Reid Select

$0.70 - $1.10	Request the lead time here	1/4-20	0.980 in 24.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	0.590 in 15 mm	Reid Select

$2.14 - $3.36	Request the lead time here	1/4-20	1.260 in 32 mm	Male	0.510 in 13 mm	Thermoplastic	1.420 in 36.1 mm	Reid Select

$2.72 - $4.28	Request the lead time here	3/8-16	2.360 in 59.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	2.280 in 57.9 mm	Reid Select

$23.52 - $23.52	30 In stock	Non Threaded	2.000 in 50.8 mm	Reamed		Aluminum	1.000 in 25.4 mm	Reid Select