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
$1.72 - $2.71	Request the lead time here	1/4-20	1.580 in 40.1 mm	Female	0.375 in 9.5 mm	Thermoplastic	0.910 in 23.1 mm	Reid Select

$1.54 - $1.54	Request the lead time here	1/4-20	1.580 in 40.1 mm	Female	0.375 in 9.5 mm	Thermoplastic	0.950 in 24.1 mm	Reid Select

$1.97 - $3.09	92 In stock	5/16-18	1.580 in 40.1 mm	Female	0.469 in 11.9 mm	Thermoplastic	0.950 in 24.1 mm	Reid Select

$1.62 - $1.80	3450 In stock	3/8-16		Female	0.500 in 12.7 mm	Nylon		DimcoGray

$22.33 - $22.33	36 In stock	1/2-13	2.480 in 63 mm	Female Thru Hole	0.866 in 22.0 mm	Stainless Steel	1.570 in 39.9 mm	Kipp

$2.32 - $3.65	183 In stock	5/8-11	3.150 in 80 mm	Female	0.940 in 23.9 mm	Thermoplastic	1.610 in 40.9 mm	Reid Select

$24.85 - $24.85	5 In stock	3/8-16	1.960 in 49.8 mm	Female Thru Hole	0.709 in 18.0 mm	Stainless Steel	1.260 in 32 mm	Kipp

$1.15 - $1.80	2 In stock	5/16-18	1.970 in 50 mm	Female	0.469 in 11.9 mm	Thermoplastic	1.120 in 28.4 mm	Reid Select

$1.86 - $2.93	83 In stock	5/16-18	1.580 in 40.1 mm	Female	0.469 in 11.9 mm	Thermoplastic	0.950 in 24.1 mm	Reid Select

$1.02 - $1.60	14 In stock	1/4-20	0.980 in 24.9 mm	Female	0.390 in 9.9 mm	Phenolic	0.750 in 19.1 mm	Reid Select

$1.18 - $1.86	370 In stock	1/4-20	1.260 in 32 mm	Female	0.390 in 9.9 mm	Phenolic	0.790 in 20.1 mm	Reid Select

$2.23 - $3.50	Request the lead time here	3/8-16	1.970 in 50 mm	Female	0.550 in 14 mm	Phenolic	1.260 in 32 mm	Reid Select

$1.31 - $1.31	Request the lead time here	1/4-20	1.750 in 44.5 mm	Male	0.500 in 12.7 mm	Nylon	1.500 in 38.1 mm	Reid Select

$22.68 - $22.68	26 In stock	5/8-11	2.750 in 69.9 mm	Female	1.250 in 31.8 mm	Iron	1.688 in 42.9 mm	Reid Select

$33.29 - $33.29	64 In stock	1/2-13	2.500 in 63.5 mm	Male	1.750 in 44.5 mm	Aluminum	2.875 in 73 mm	Reid Select

$2.35 - $2.62	453 In stock	5/16-18		Male	1.000 in 25.4 mm	Phenolic		DimcoGray

$3.57 - $3.57	299 In stock	1/2-13		Male	1.500 in 38.1 mm	Phenolic		DimcoGray

$24.84 - $24.84	23 In stock	5/8-11	3.000 in 76.2 mm	Female Thru Hole	1.250 in 31.8 mm	Aluminum	1.250 in 31.8 mm	Reid Select

$6.03 - $9.47	14 In stock	1/4-20	1.500 in 38.1 mm	Female	0.500 in 12.7 mm	Iron	0.813 in 20.7 mm	Reid Select

$2.33 - $3.66	Request the lead time here	5/16-18	1.970 in 50 mm	Female	0.550 in 14 mm	Phenolic	1.260 in 32 mm	Reid Select