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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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133 results
Product SKUs information
Item Code Price range Availability Thread Size Overall Diameter Mount Type Thread Length Knob Material Overall Height Brand View
$1.32 - $2.08 Request the lead time here
5/16-18
1.570 in
Male
0.750 in
Thermoplastic
Reid Select
$1.63 - $2.56 33 In stock
5/16-18
1.970 in
Male
1.750 in
Thermoplastic
Reid Select
$2.80 - $4.40 Request the lead time here
5/16-18
1.970 in
Male
1.000 in
Polyamide
Reid Select
$3.42 - $5.38 Request the lead time here
M8
1.969 in
Male
0.591 in
Polyamide
Reid Select
$3.37 - $5.30 Request the lead time here
M6
1.969 in
Male
1.181 in
Polyamide
Reid Select
$2.94 - $4.62 Request the lead time here
3/8-16
1.970 in
Male
1.500 in
Polyamide
Reid Select
$3.44 - $5.40 Request the lead time here
M10
1.969 in
Male
0.787 in
Polyamide
Reid Select
$4.99 - $7.84 Request the lead time here
5/8-11
4.920 in
Male
1.180 in
Thermoplastic
Reid Select
$1.83 - $2.88 Request the lead time here
1/2-13
3.350 in
Male
1.180 in
Thermoplastic
Reid Select
$1.11 - $1.74 Request the lead time here
1/4-20
0.980 in
Male
0.750 in
Thermoplastic
Reid Select
$3.61 - $5.68 Request the lead time here
5/16-18
1.970 in
Male
1.500 in
Polyamide
Reid Select
$3.31 - $5.20 Request the lead time here
M8
1.969 in
Male
0.787 in
Polyamide
Reid Select
$1.61 - $2.53 Request the lead time here
1/2-13
2.560 in
Male
0.980 in
Thermoplastic
Reid Select
$2.95 - $2.95 15 In stock
1/4-20
1.180 in
Male
0.500 in
Thermoplastic
Reid Select
$2.04 - $3.20 Request the lead time here
3/8-16
1.970 in
Male
2.000 in
Thermoplastic
Reid Select
$2.71 - $4.26 Request the lead time here
1/4-20
1.970 in
Male
1.500 in
Polyamide
Reid Select
$1.13 - $1.78 Request the lead time here
5/16-18
1.770 in
Male
0.980 in
Thermoplastic
Reid Select
$2.65 - $4.16 Request the lead time here
1/4-20
1.970 in
Male
1.000 in
Polyamide
Reid Select
$1.18 - $1.85 814 In stock
3/8-16
1.570 in
Male
1.500 in
Thermoplastic
Reid Select
$1.61 - $2.53 Request the lead time here
5/16-18
2.560 in
Male
0.980 in
Thermoplastic
Reid Select
  • of 7
Lobed Knob - Male; 1.570 in; 5/16-18; Steel

RST-136

Price Range
$2.08 - $1.32

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.570 in
Lobed Knob - Male; 1.970 in; 5/16-18; Steel

RST-146

Price Range
$2.56 - $1.63

Stock Levels
33 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 1.970 in; 5/16-18; Steel

RST-221

Price Range
$4.40 - $2.80

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.000 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 50.0 mm; M8; Steel

RST-210

Price Range
$5.38 - $3.42

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M8
  • Thread Length
    0.591 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.969 in
Lobed Knob - Male; 50.0 mm; M6; Steel

RST-208

Price Range
$5.30 - $3.37

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M6
  • Thread Length
    1.181 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.969 in
Lobed Knob - Male; 1.970 in; 3/8-16; Steel

RST-224

Price Range
$4.62 - $2.94

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.500 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 50.0 mm; M10; Steel

RST-214

Price Range
$5.40 - $3.44

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M10
  • Thread Length
    0.787 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.969 in
Lobed Knob - Male; 4.920 in; 5/8-11; Plastic

JCL-455

Price Range
$7.84 - $4.99

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    1.180 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    4.920 in
Lobed Knob - Male; 3.350 in; 1/2-13; Steel

JCL-430

Price Range
$2.88 - $1.83

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.180 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.350 in
Lobed Knob - Male; 0.980 in; 1/4-20; Steel

RST-129

Price Range
$1.74 - $1.11

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    0.980 in
Lobed Knob - Male; 1.970 in; 5/16-18; Steel

RST-222

Price Range
$5.68 - $3.61

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.500 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 50.0 mm; M8; Steel

RST-211

Price Range
$5.20 - $3.31

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M8
  • Thread Length
    0.787 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.969 in
Lobed Knob - Male; 2.560 in; 1/2-13; Steel

JCL-415

Price Range
$2.53 - $1.61

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.560 in
Lobed Knob - Male; 1.180 in; 1/4-20; Steel

RK-304

Price Range
$2.95 - $2.95

Stock Levels
15 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.180 in
Lobed Knob - Male; 1.970 in; 3/8-16; Steel

RST-144

Price Range
$3.20 - $2.04

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    2.000 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 1.970 in; 1/4-20; Steel

RST-219

Price Range
$4.26 - $2.71

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    1.500 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 1.770 in; 5/16-18; Steel

JCL-400

Price Range
$1.78 - $1.13

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.770 in
Lobed Knob - Male; 1.970 in; 1/4-20; Steel

RST-218

Price Range
$4.16 - $2.65

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    1.000 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 1.570 in; 3/8-16; Steel

RST-140

Price Range
$1.85 - $1.18

Stock Levels
814 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.570 in
Lobed Knob - Male; 2.560 in; 5/16-18; Steel

JCL-405

Price Range
$2.53 - $1.61

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.560 in