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4 Arm Prong Knobs

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Lobed knobs, also called clamping knobs, have a scalloped edge with four grip points to allow for maximum grip and comfort, even while wearing gloves.

These durable lobed knobs are impact- and chemical-resistant and provide a neat appearance for finished applications that require precision adjustments.

Reid Supply has a wide range of 4-lobed knobs, from plastic knobs to stainless steel and iron in a variety of thread sizes and mounting types.

Learn more about what solutions exist for your application in our article on selecting the right knobs and handles.

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For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 2 working days.

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330 results
Product SKUs information
Item Code Price range Availability Thread Size Overall Diameter Mount Type Thread Length Knob Material Overall Height Brand View
$8.39 - $8.39 485 In stock
5/8-11
3.000 in
Female
1.250 in
Aluminum
1.750 in
Jergens
$0.98 - $1.54 Request the lead time here
1/4-20
1.580 in
Female
0.375 in
Thermoplastic
0.950 in
Reid Select
$3.40 - $3.40 2443 In stock
3/8-16
2.500 in
Female
0.500 in
Thermoplastic
1.090 in
Reid Select
$2.11 - $2.11 35 In stock
3/8-16
2.360 in
Female
0.560 in
Thermoplastic
1.500 in
Reid Select
$29.50 - $29.50 60 In stock
5/16-18
1.570 in
Female Thru Hole
0.551 in
Stainless Steel
0.980 in
Kipp
$1.18 - $1.18 1037 In stock
1/4-20
2.500 in
Female
0.500 in
Thermoplastic
1.090 in
Reid Select
$1.48 - $1.65 2746 In stock
1/4-20
Female
0.438 in
Nylon
DimcoGray
$1.78 - $1.98 511 In stock
3/8-24
Female
0.500 in
Nylon
DimcoGray
$4.94 - $4.94 604 In stock
5/16-18
1.500 in
Female
0.630 in
Aluminum
0.875 in
Jergens
$1.15 - $1.80 2 In stock
5/16-18
1.970 in
Female
0.469 in
Thermoplastic
1.120 in
Reid Select
$1.86 - $2.93 83 In stock
5/16-18
1.580 in
Female
0.469 in
Thermoplastic
0.950 in
Reid Select
$0.98 - $1.54 155 In stock
5/16-18
1.580 in
Female
0.469 in
Thermoplastic
0.950 in
Reid Select
$2.08 - $3.27 Request the lead time here
5/16-18
1.970 in
Female
0.469 in
Thermoplastic
1.120 in
Reid Select
$1.10 - $1.73 Request the lead time here
3/8-16
1.970 in
Female
0.560 in
Thermoplastic
1.260 in
Reid Select
$0.91 - $1.43 113 In stock
5/16-18
1.570 in
Female
0.470 in
Thermoplastic
1.100 in
Reid Select
$34.79 - $34.79 100 In stock
3/8-16
1.960 in
Female
0.710 in
Stainless Steel
1.260 in
Kipp
$4.02 - $4.02 278 In stock
1/2-13
2.500 in
Female
0.500 in
Thermoplastic
1.090 in
Reid Select
$13.01 - $13.01 183 In stock
Non Threaded
2.750 in
Blank
Iron
2.000 in
Reid Select
$1.25 - $1.25 Request the lead time here
M6
Female Thru Hole
0.625 in
Phenolic
DimcoGray
$11.52 - $11.52 12 In stock
Non Threaded
1.000 in
Blank
Aluminum
0.875 in
Reid Select
  • of 17
Lobed Knob - Female; 3.000 in; 5/8-11;

JAC-121

Price Range
$8.39 - $8.39

Stock Levels
485 In stock
Attributes
  • Brand
    Jergens
  • Thread Size
    5/8-11
  • Thread Length
    1.250 in
  • Knob Material
    Aluminum
  • Overall Diameter
    3.000 in
Lobed Knob - Female; 1.580 in; 1/4-20; Brass

JCL-104

Price Range
$1.54 - $0.98

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.375 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.580 in
Lobed Knob - Female; 2.500 in; 3/8-16; Brass

RK-15

Price Range
$3.40 - $3.40

Stock Levels
2443 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.500 in
Lobed Knob - Female; 2.360 in; 3/8-16; Brass

JCL-110

Price Range
$2.11 - $2.11

Stock Levels
35 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.560 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in
Lobed Knob - Female Thru Hole; 1.570 in; 5/16-18; Stainless Steel

KHJ-168

Price Range
$29.50 - $29.50

Stock Levels
60 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    5/16-18
  • Thread Length
    0.551 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.570 in
Lobed Knob - Female; 2.500 in; 1/4-20; Brass

RK-5

Price Range
$1.18 - $1.18

Stock Levels
1037 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.500 in
Lobed Knob - ; ;

DK-83

Price Range
$1.65 - $1.48

Stock Levels
2746 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.438 in
  • Knob Material
    Nylon
  • Material
    Brass
Lobed Knob - ; ;

DK-63

Price Range
$1.98 - $1.78

Stock Levels
511 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-24
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Material
    Brass
Lobed Knob - Female; 1.500 in; 5/16-18;

JAC-109

Price Range
$4.94 - $4.94

Stock Levels
604 In stock
Attributes
  • Brand
    Jergens
  • Thread Size
    5/16-18
  • Thread Length
    0.630 in
  • Knob Material
    Aluminum
  • Overall Diameter
    1.500 in
Lobed Knob - Female; 1.970 in; 5/16-18; Brass

JCL-108

Price Range
$1.80 - $1.15

Stock Levels
2 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.469 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 1.580 in; 5/16-18; Stainless Steel

JCL-208

Price Range
$2.93 - $1.86

Stock Levels
83 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.469 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.580 in
Lobed Knob - Female; 1.580 in; 5/16-18; Brass

JCL-118

Price Range
$1.54 - $0.98

Stock Levels
155 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.469 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.580 in
Lobed Knob - Female; 1.970 in; 5/16-18; Stainless Steel

JCL-222

Price Range
$3.27 - $2.08

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.469 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 1.970 in; 3/8-16; Brass

JCL-165

Price Range
$1.73 - $1.10

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.560 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 1.570 in; 5/16-18; Brass

JCL-95

Price Range
$1.43 - $0.91

Stock Levels
113 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.470 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.570 in
Lobed Knob - Female; 1.960 in; 3/8-16; Stainless Steel

KHJ-178

Price Range
$34.79 - $34.79

Stock Levels
100 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    3/8-16
  • Thread Length
    0.710 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.960 in
Lobed Knob - Female; 2.500 in; 1/2-13; Brass

RK-20

Price Range
$4.02 - $4.02

Stock Levels
278 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.500 in
Lobed Knob - Blank; 2.750 in; Non Threaded; Cast Iron

KC-4

Price Range
$13.01 - $13.01

Stock Levels
183 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Iron
  • Overall Diameter
    2.750 in
  • Overall Height
    2.000 in
Lobed Knob - ; ;

DK-1180

Price Range
$1.25 - $1.25

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    M6
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - Blank; 1.000 in; Non Threaded;

STT-1

Price Range
$11.52 - $11.52

Stock Levels
12 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Aluminum
  • Overall Diameter
    1.000 in
  • Overall Height
    0.875 in