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
$1.20 - $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

$1.59 - $2.50	Request the lead time here	1/4-20	1.570 in 39.9 mm	Female	0.390 in 9.9 mm	Thermoplastic	0.980 in 24.9 mm	Reid Select

$19.98 - $22.20	15 In stock	#10-32	1.260 in 32 mm	Threaded Blind Bore	0.390 in 9.9 mm	Stainless Steel	0.830 in 21.1 mm	J.W. Winco Inc.

$25.17 - $27.97	8 In stock	M6	1.575 in 40.0 mm	Threaded Blind Bore	0.472 in 12.0 mm	Stainless Steel	1.024 in 26.0 mm	J.W. Winco Inc.

$1.13 - $1.13	295 In stock	1/4-20	1.500 in 38.1 mm	Male	0.560 in 14.2 mm	Phenolic	0.875 in 22.2 mm	Reid Select

$49.21 - $54.68	17 In stock	1/2-13	2.36 in 59.9 mm	Threaded Blind Bore	0.870 in 22.1 mm	Stainless Steel	1.610 in 40.9 mm	J.W. Winco Inc.

$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

$1.61 - $2.53	52 In stock	3/8-16	2.560 in 65 mm	Female	0.560 in 14.2 mm	Thermoplastic	1.100 in 27.9 mm	Reid Select

$1.61 - $2.53	Request the lead time here	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	Request the lead time here	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	36 In stock	1/2-13	4.130 in 104.9 mm	Female	0.787 in 20 mm	Thermoplastic	1.770 in 45 mm	Reid Select

$3.93 - $6.18	Request the lead time here	3/8-16	2.480 in 63 mm	Female	0.550 in 14 mm	Thermoplastic	1.540 in 39.1 mm	Reid Select

$1.16 - $1.16	48 In stock	5/16-18	1.500 in 38.1 mm	Male	0.750 in 19.1 mm	Phenolic	0.875 in 22.2 mm	Reid Select

$1.90 - $2.98	Request the lead time here	5/16-18	1.970 in 50 mm	Female	0.550 in 14 mm	Thermoplastic	1.220 in 31 mm	Reid Select

$2.37 - $3.72	Request the lead time here	3/8-16	2.480 in 63 mm	Female	0.910 in 23.1 mm	Thermoplastic	1.540 in 39.1 mm	Reid Select

$19.98 - $22.20	24 In stock	1/4-20	1.260 in 32 mm	Threaded Blind Bore	0.390 in 9.9 mm	Stainless Steel	0.830 in 21.1 mm	J.W. Winco Inc.

$19.85 - $22.06	63 In stock	M6	1.26 in 32.0 mm	Threaded Blind Bore	0.472 in 12.0 mm	Stainless Steel	0.827 in 21.0 mm	J.W. Winco Inc.

$2.66 - $2.66	864 In stock	1/4-20	1.750 in 44.5 mm	Female w/Locking Element	0.440 in 11.2 mm	Polypropylene	0.870 in 22.1 mm	Reid Select

$1.09 - $1.09	857 In stock	1/4-20	1.125 in 28.6 mm	Male	0.500 in 12.7 mm	Phenolic	0.750 in 19.1 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