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
$1.34 - $2.11	Request the lead time here	3/8-16	2.360 in 59.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.500 in 38.1 mm	Reid Select

$11.91 - $18.72	38 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

$16.00 - $25.15	7 In stock	3/8-16	2.500 in 63.5 mm	Male	3.000 in 76.2 mm	Iron	1.500 in 38.1 mm	Reid Select

$9.28 - $10.32	35 In stock	3/8-16	2.000 in 50.8 mm	Male w/ Dog Point	1.500 in 38.1 mm	Steel		Reid Select

$11.68 - $12.98	38 In stock	3/8-16	2.000 in 50.8 mm	Male w/ Dog Point	2.500 in 63.5 mm	Steel		Reid Select

$15.58 - $15.58	3 In stock	Non Threaded	1.960 in 49.8 mm	Reamed		Stainless Steel	1.260 in 32 mm	Kipp

$6.69 - $7.44	13 In stock	1/4-20	1.125 in 28.6 mm	Male w/ Dog Point	1.000 in 25.4 mm	Steel		Reid Select

$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

$7.15 - $7.95	21 In stock	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

$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

$1.27 - $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

$11.24 - $17.66	41 In stock	Non Threaded	2.500 in 63.5 mm	Reamed		Iron	1.438 in 36.5 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	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

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

$28.95 - $28.95	37 In stock	Non Threaded	2.480 in 63 mm	Reamed		Stainless Steel	1.570 in 39.9 mm	Kipp

$19.36 - $19.36	11 In stock	Non Threaded	1.500 in 38.1 mm	Reamed		Aluminum	0.875 in 22.2 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