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
$1.71 - $2.68	37 In stock	5/16-18	1.970 in 50 mm	Male	1.500 in 38.1 mm	Phenolic	3.490 in 88.6 mm	Reid Select

$1.80 - $2.83	Request the lead time here	1/2-13	3.150 in 80 mm	Male	1.180 in 30 mm	Thermoplastic	1.610 in 40.9 mm	Reid Select

$1.27 - $2.00	Request the lead time here	5/16-18	1.570 in 39.9 mm	Male	1.500 in 38.1 mm	Phenolic	2.780 in 70.6 mm	Reid Select

$1.34 - $2.10	8 In stock	3/8-16	1.970 in 50 mm	Male	1.500 in 38.1 mm	Phenolic	3.490 in 88.6 mm	Reid Select

$8.10 - $9.00	3 In stock	5/16-18	1.500 in 38.1 mm	Male w/ Dog Point	2.500 in 63.5 mm	Steel		Reid Select

$13.92 - $15.47	17 In stock	1/2-13	2.500 in 63.5 mm	Male w/ Dog Point	2.500 in 63.5 mm	Steel		Reid Select

$12.92 - $12.92	7 In stock	Non Threaded	1.570 in 39.9 mm	Reamed		Stainless Steel	0.980 in 24.9 mm	Kipp

$12.53 - $19.69	66 In stock	5/16-18	2.000 in 50.8 mm	Male	3.000 in 76.2 mm	Iron	0.875 in 22.2 mm	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

$9.44 - $9.44	Request the lead time here	Non Threaded	1.125 in 28.6 mm	Reamed		Iron	1.313 in 33.4 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

$0.70 - $1.10	Request the lead time here	1/4-20	0.980 in 24.9 mm	Male	0.510 in 13 mm	Thermoplastic	0.590 in 15 mm	Reid Select

$1.34 - $2.11	Request the lead time here	1/2-13	2.360 in 59.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.500 in 38.1 mm	Reid Select

$1.57 - $2.46	114 In stock	1/2-13	2.360 in 59.9 mm	Male	1.380 in 35.1 mm	Thermoplastic	2.680 in 68.1 mm	Reid Select

$2.57 - $4.04	Request the lead time here	3/8-16	1.970 in 50 mm	Male	1.500 in 38.1 mm	Thermoplastic	2.620 in 66.5 mm	Reid Select

$11.91 - $18.72	21 In stock	5/16-18	2.000 in 50.8 mm	Male	1.750 in 44.5 mm	Iron	0.875 in 22.2 mm	Reid Select

$3.71 - $3.71	43 In stock	Non Threaded	1.250 in 31.8 mm	Reamed		Aluminum	0.750 in 19.1 mm	Jergens

$1.80 - $2.83	Request the lead time here	5/8-11	3.150 in 80 mm	Male	1.180 in 30 mm	Thermoplastic	2.790 in 70.9 mm	Reid Select

$14.92 - $14.92	119 In stock	Non Threaded	1.000 in 25.4 mm	Reamed		Aluminum	0.875 in 22.2 mm	Reid Select

$0.59 - $0.92	100 In stock	1/4-20	.790 in 20.1 mm	Male	0.510 in 13 mm	Thermoplastic	0.510 in 13 mm	Reid Select