3 Arm Prong Knobs

In stock

3-arm prong knobs are among the most common type of lobed knob, allowing easy access even with thick gloves on for small adjustments to equipment and workpieces across industries.

Find inch and metric 3-lobed knobs at Reid Supply in both female and male thread inserts of a variety of materials, including plastic, stainless steel, and brass insert threading in Reid Supply’s online catalog.

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Product SKUs information
Price range	Availability	Thread Size	Overall Diameter	Mount Type	Thread Length	Knob Material	Overall Height	Brand
$1.80 - $2.83	440 In stock	1/2-13	3.350 in 85.1 mm	Female	0.750 in 19.1 mm	Thermoplastic	1.420 in 36.1 mm	Reid Select

$1.13 - $1.78	29 In stock	1/4-20	1.770 in 45 mm	Female	0.380 in 9.7 mm	Thermoplastic	0.830 in 21.1 mm	Reid Select

$2.19 - $3.44	19 In stock	1/2-13	4.130 in 104.9 mm	Female	0.750 in 19.1 mm	Thermoplastic	1.770 in 45 mm	Reid Select

$1.87 - $1.87	123 In stock	1/4-20	1.125 in 28.6 mm	Female	0.500 in 12.7 mm	Phenolic	0.750 in 19.1 mm	Reid Select

$1.20 - $1.20	15 In stock	5/16-18	1.250 in 31.8 mm	Female	0.380 in 9.7 mm	Phenolic	0.8750 in 22.2 mm	Reid Select

$2.69 - $2.69	Request the lead time here	3/8-16	2.000 in 50.8 mm	Female	0.500 in 12.7 mm	Phenolic	1.000 in 25.4 mm	Reid Select

$2.19 - $3.44	26 In stock	3/8-16	4.130 in 104.9 mm	Female	0.560 in 14.2 mm	Thermoplastic	1.770 in 45 mm	Reid Select

$1.89 - $4.41	Request the lead time here	1/2-13	2.560 in 65 mm	Female	0.750 in 19.1 mm	Thermoplastic	1.100 in 27.9 mm	Reid Select

$1.78 - $1.78	47 In stock	5/16-18	1.770 in 45 mm	Female	0.470 in 11.9 mm	Thermoplastic	0.830 in 21.1 mm	Reid Select

$1.61 - $2.53	157 In stock	5/16-18	2.560 in 65 mm	Female	0.470 in 11.9 mm	Thermoplastic	1.100 in 27.9 mm	Reid Select

$4.97 - $7.81	149 In stock	1/2-13	4.920 in 125 mm	Female	0.750 in 19.1 mm	Thermoplastic	2.090 in 53.1 mm	Reid Select

$2.19 - $3.44	Request the lead time here	3/8-16	4.130 in 104.9 mm	Female	0.560 in 14.2 mm	Thermoplastic	1.770 in 45 mm	Reid Select

$2.19 - $3.44	Request the lead time here	5/8-11	4.130 in 104.9 mm	Female	0.940 in 23.9 mm	Thermoplastic	1.770 in 45 mm	Reid Select

$2.01 - $2.01	Request the lead time here	3/8-16	2.170 in 55.1 mm	Female	0.900 in 22.9 mm	Thermoplastic	1.0800 in 27.4 mm	Reid Select

$1.05 - $1.05	Request the lead time here	1/4-20	1.180 in 30 mm	Female	0.550 in 14 mm	Thermoplastic	0.6500 in 16.5 mm	Reid Select

$4.21 - $4.21	Request the lead time here	1/2-13	2.170 in 55.1 mm	Female	0.900 in 22.9 mm	Thermoplastic	1.0800 in 27.4 mm	Reid Select

$1.09 - $1.09	37 In stock	#10-32	1.180 in 30 mm	Female	0.550 in 14 mm	Thermoplastic	0.6500 in 16.5 mm	Reid Select

$25.42 - $28.25	13 In stock	5/16-18	1.570 in 39.9 mm	Threaded Blind Bore	0.590 in 15 mm	Stainless Steel	1.020 in 25.9 mm	J.W. Winco Inc.

$25.17 - $27.97	66 In stock	M8	1.575 in 40.0 mm	Threaded Blind Bore	0.591 in 15.0 mm	Stainless Steel	1.024 in 26.0 mm	J.W. Winco Inc.

$1.78 - $1.78	Request the lead time here	5/16-18	2.000 in 50.8 mm	Male	0.750 in 19.1 mm	Phenolic	1.000 in 25.4 mm	Reid Select