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3 Arm Prong Knobs

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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
Item Code Price range Availability Thread Size Overall Diameter Mount Type Thread Length Knob Material Overall Height Brand View
$1.97 - $3.10 Request the lead time here
3/8-16
1.970 in
Male
1.000 in
Thermoplastic
Reid Select
$1.09 - $1.71 964 In stock
#10-24
0.980 in
Female
0.350 in
Thermoplastic
0.630 in
Reid Select
$1.45 - $2.28 Request the lead time here
1/4-20
1.260 in
Female
0.550 in
Thermoplastic
0.790 in
Reid Select
$31.11 - $34.57 8 In stock
M10
1.969 in
Threaded Blind Bore
0.709 in
Stainless Steel
1.299 in
J.W. Winco Inc.
$1.03 - $1.62 Request the lead time here
1/4-20
1.260 in
Male
0.500 in
Thermoplastic
Reid Select
$3.37 - $5.30 Request the lead time here
M6
1.969 in
Male
1.181 in
Polyamide
Reid Select
$2.65 - $4.16 Request the lead time here
1/4-20
1.970 in
Male
0.750 in
Polyamide
Reid Select
$3.31 - $5.20 Request the lead time here
M6
1.969 in
Male
0.591 in
Polyamide
Reid Select
$3.73 - $5.86 Request the lead time here
M10
1.969 in
Male
1.181 in
Polyamide
Reid Select
$25.17 - $27.97 8 In stock
M6
1.575 in
Threaded Blind Bore
0.472 in
Stainless Steel
1.024 in
J.W. Winco Inc.
$1.78 - $1.78 Request the lead time here
5/16-18
2.000 in
Male
0.750 in
Phenolic
1.000 in
Reid Select
$0.89 - $0.89 439 In stock
#10-32
1.125 in
Male
0.440 in
Phenolic
0.750 in
Reid Select
$1.09 - $1.09 857 In stock
1/4-20
1.125 in
Male
0.500 in
Phenolic
0.750 in
Reid Select
$1.13 - $1.13 295 In stock
1/4-20
1.500 in
Male
0.560 in
Phenolic
0.875 in
Reid Select
$1.13 - $1.78 Request the lead time here
5/16-18
1.770 in
Male
0.980 in
Thermoplastic
Reid Select
$0.84 - $1.32 63 In stock
1/4-20
2.000 in
Female
0.625 in
ABS
1.0620 in
DimcoGray
$1.65 - $1.65 Request the lead time here
5/16-18
2.000 in
Female
0.438 in
ABS
1.0625 in
DimcoGray
$1.09 - $1.09 Request the lead time here
1/4-20
1.125 in
Female
0.380 in
Phenolic
0.750 in
Reid Select
$1.41 - $1.57 232 In stock
1/4-20
1.500 in
Female
0.500 in
ABS
0.8750 in
DimcoGray
$1.00 - $1.00 207 In stock
3/8-16
2.500 in
Female
0.625 in
ABS
1.1250 in
DimcoGray
    • of 7
Lobed Knob - Male; 1.970 in; 3/8-16; Steel

RST-142

Price Range
$3.10 - $1.97

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
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View Product >
Lobed Knob - Female; 0.980 in; #10-24; Brass

RST-112

Price Range
$1.71 - $1.09

Stock Levels
964 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-24
  • Thread Length
    0.350 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    0.980 in
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View Product >
Lobed Knob - Female; 1.260 in; 1/4-20; Brass

RST-122

Price Range
$2.28 - $1.45

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.550 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.260 in
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Lobed Knob - Threaded Blind Bore; 50.0 mm; M10; Stainless Steel

WTH-70

Price Range
$34.57 - $31.11

Stock Levels
8 In stock
Attributes
  • Brand
    J.W. Winco Inc.
  • Thread Size
    M10
  • Thread Length
    0.709 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.969 in
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Lobed Knob - Male; 1.260 in; 1/4-20; Steel

RST-130

Price Range
$1.62 - $1.03

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

RST-217

Price Range
$4.16 - $2.65

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.750 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.970 in
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Lobed Knob - Male; 50.0 mm; M6; Steel

RST-206

Price Range
$5.20 - $3.31

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M6
  • Thread Length
    0.591 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.969 in
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Lobed Knob - Male; 50.0 mm; M10; Steel

RST-215

Price Range
$5.86 - $3.73

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M10
  • Thread Length
    1.181 in
  • Knob Material
    Polyamide
  • Overall Diameter
    1.969 in
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Lobed Knob - Threaded Blind Bore; 40.0 mm; M6; Stainless Steel

WTH-55

Price Range
$27.97 - $25.17

Stock Levels
8 In stock
Attributes
  • Brand
    J.W. Winco Inc.
  • Thread Size
    M6
  • Thread Length
    0.472 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.575 in
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Lobed Knob - Male; 2.000 in; 5/16-18; Steel

DK-1219

Price Range
$1.78 - $1.78

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.750 in
  • Knob Material
    Phenolic
  • Overall Diameter
    2.000 in
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View Product >
Lobed Knob - Male; 1.125 in; #10-32; Steel

DK-1215

Price Range
$0.89 - $0.89

Stock Levels
439 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-32
  • Thread Length
    0.440 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.125 in
Quick View
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Lobed Knob - Male; 1.125 in; 1/4-20; Steel

DK-1216

Price Range
$1.09 - $1.09

Stock Levels
857 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.125 in
Quick View
View Product >
Lobed Knob - Male; 1.500 in; 1/4-20; Steel

DK-1217

Price Range
$1.13 - $1.13

Stock Levels
295 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.560 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.500 in
Quick View
View Product >
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
Quick View
View Product >
Lobed Knob - Female; 2.000 in; 1/4-20; Brass

DK-114

Price Range
$1.32 - $0.84

Stock Levels
63 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.625 in
  • Knob Material
    ABS
  • Overall Diameter
    2.000 in
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Lobed Knob - Female; 2.000 in; 5/16-18; Brass

DK-107

Price Range
$1.65 - $1.65

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    0.438 in
  • Knob Material
    ABS
  • Overall Diameter
    2.000 in
Quick View
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Lobed Knob - Female; 1.125 in; 1/4-20; Brass

DK-1204

Price Range
$1.09 - $1.09

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.380 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.125 in
Quick View
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Lobed Knob - Female; 1.500 in; 1/4-20; Brass

DK-104

Price Range
$1.57 - $1.41

Stock Levels
232 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    ABS
  • Overall Diameter
    1.500 in
Quick View
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Lobed Knob - Female; 2.500 in; 3/8-16; Brass

DK-118

Price Range
$1.00 - $1.00

Stock Levels
207 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    ABS
  • Overall Diameter
    2.500 in
Quick View
View Product >