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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
$1.17 - $1.17 Request the lead time here
1/4-20
Female
0.500 in
ABS
DimcoGray
$2.40 - $2.40 Request the lead time here
5/16-18
Female
0.500 in
Phenolic
Reid Select
$1.41 - $1.57 516 In stock
1/4-20
Female
0.500 in
ABS
DimcoGray
$0.95 - $1.50 93 In stock
3/8-16
Female
0.500 in
ABS
DimcoGray
$0.64 - $0.64 218 In stock
3/8-16
Female
0.625 in
ABS
DimcoGray
$0.69 - $1.08 Request the lead time here
#10-32
Female
0.380 in
Phenolic
Reid Select
$1.65 - $1.65 Request the lead time here
5/16-18
Female
0.438 in
ABS
DimcoGray
$1.87 - $1.87 83 In stock
1/4-20
Female
0.500 in
Phenolic
Reid Select
$1.69 - $1.69 Request the lead time here
#10-32
Female
0.375 in
Phenolic
Reid Select
$2.76 - $2.76 Request the lead time here
5/16-18
Female
0.500 in
Phenolic
Reid Select
$2.02 - $2.02 64 In stock
3/8-16
Female
0.500 in
Phenolic
Reid Select
$0.69 - $0.69 251 In stock
5/16-18
Female
0.438 in
ABS
DimcoGray
$1.30 - $1.30 Request the lead time here
3/8-16
Female
0.625 in
ABS
DimcoGray
$1.09 - $1.09 Request the lead time here
1/4-20
Female
0.380 in
Phenolic
Reid Select
$2.69 - $2.69 Request the lead time here
3/8-16
Female
0.500 in
Phenolic
Reid Select
$2.16 - $2.16 Request the lead time here
1/4-20
Female
0.375 in
Phenolic
Reid Select
$1.16 - $1.16 296 In stock
1/4-20
Female
0.380 in
Phenolic
Reid Select
$1.61 - $2.53 134 In stock
3/8-16
Female
0.560 in
Thermoplastic
Reid Select
$1.80 - $2.83 935 In stock
3/8-16
Female
0.560 in
Thermoplastic
Reid Select
$4.97 - $7.81 Request the lead time here
5/8-11
Female
0.940 in
Thermoplastic
Reid Select
    • of 7
Lobed Knob - 1/4-20; 1.1250 in; Female; ABS, 4-408-001

DK-112

Price Range
$1.17 - $1.17

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    ABS
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 5/16-18; 0.875 in; Female; Phenolic, 3035JE

DK-1212

Price Range
$2.40 - $2.40

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 1/4-20; 0.8750 in; Female; ABS, 4-406-001

DK-104

Price Range
$1.57 - $1.41

Stock Levels
516 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    ABS
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.1250 in; Female; ABS, 4-414-002

DK-110

Price Range
$1.50 - $0.95

Stock Levels
93 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    ABS
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.1250 in; Female; ABS, 4-416-002

DK-118

Price Range
$0.64 - $0.64

Stock Levels
218 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    ABS
  • Material
    Brass
Quick View
View Product >
Lobed Knob - #10-32; 0.750 in; Female; Phenolic, 3025BB

DK-1203

Price Range
$1.08 - $0.69

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-32
  • Thread Length
    0.380 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 5/16-18; 1.0625 in; Female; ABS, 4-410-002

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
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 1/4-20; 0.750 in; Female; Phenolic, 3025GJ

DK-1210

Price Range
$1.87 - $1.87

Stock Levels
83 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - #10-32; 0.750 in; Female; Phenolic, 3025GH

DK-1209

Price Range
$1.69 - $1.69

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-32
  • Thread Length
    0.375 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 5/16-18; 1.000 in; Female; Phenolic, 3040JN

DK-1213

Price Range
$2.76 - $2.76

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.000 in; Female; Phenolic, 3040AH

DK-1208

Price Range
$2.02 - $2.02

Stock Levels
64 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 5/16-18; 1.1250 in; Female; ABS, 4-414-001

DK-109

Price Range
$0.69 - $0.69

Stock Levels
251 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    0.438 in
  • Knob Material
    ABS
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.0620 in; Female; ABS, 4-412-003

DK-116

Price Range
$1.30 - $1.30

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    ABS
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 1/4-20; 0.750 in; Female; Phenolic, 3025AG

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
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.000 in; Female; Phenolic, 3040JM

DK-1214

Price Range
$2.69 - $2.69

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 1/4-20; 0.875 in; Female; Phenolic, 3035JD

DK-1211

Price Range
$2.16 - $2.16

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.375 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 1/4-20; 0.8750 in; Female; Phenolic, 3072

DK-604

Price Range
$1.16 - $1.16

Stock Levels
296 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.380 in
  • Knob Material
    Phenolic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.100 in; Female; Thermoplastic, 76165

JCL-290

Price Range
$2.53 - $1.61

Stock Levels
134 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.560 in
  • Knob Material
    Thermoplastic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 3/8-16; 1.420 in; Female; Thermoplastic, 76385

JCL-360

Price Range
$2.83 - $1.80

Stock Levels
935 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.560 in
  • Knob Material
    Thermoplastic
  • Material
    Brass
Quick View
View Product >
Lobed Knob - 5/8-11; 2.090 in; Female; Thermoplastic, 763125

JCL-390

Price Range
$7.81 - $4.97

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    0.940 in
  • Knob Material
    Thermoplastic
  • Material
    Brass
Quick View
View Product >