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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
$25.04 - $25.04 96 In stock
1/2-13
2.500 in
Female Thru Hole
1.125 in
Aluminum
1.125 in
Reid Select
$3.16 - $4.96 Request the lead time here
3/8-16
1.970 in
Female
0.550 in
Phenolic
1.260 in
Reid Select
$7.43 - $11.68 Request the lead time here
1/2-13
3.150 in
Female
0.750 in
Phenolic
1.970 in
Reid Select
$11.10 - $11.10 52 In stock
3/8-16
1.500 in
Female Thru Hole
1.937 in
Iron
1.938 in
Reid Select
$0.85 - $1.34 Request the lead time here
#8-32
.790 in
Female
0.310 in
Phenolic
0.550 in
Reid Select
$1.49 - $1.49 Request the lead time here
5/16-18
2.250 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$3.21 - $5.04 Request the lead time here
1/2-13
1.970 in
Female
0.750 in
Phenolic
1.260 in
Reid Select
$16.80 - $16.80 308 In stock
3/8-16
2.000 in
Female Thru Hole
1.000 in
Aluminum
1.000 in
Reid Select
$24.84 - $24.84 23 In stock
5/8-11
3.000 in
Female Thru Hole
1.250 in
Aluminum
1.250 in
Reid Select
$1.31 - $1.31 Request the lead time here
5/16-18
1.250 in
Female
0.500 in
Nylon
0.875 in
Reid Select
$1.62 - $1.80 3739 In stock
3/8-16
Female
0.500 in
Nylon
Reid Select
$1.14 - $1.27 781 In stock
5/16-18
Female
0.438 in
Nylon
Reid Select
$1.22 - $1.22 204 In stock
1/4-20
1.000 in
Female
0.500 in
Nylon
0.750 in
Reid Select
$1.42 - $2.23 222 In stock
5/16-18
2.360 in
Female
0.569 in
Thermoplastic
1.300 in
Reid Select
$2.32 - $3.65 10 In stock
1/2-13
3.150 in
Female
0.750 in
Thermoplastic
1.610 in
Reid Select
$5.34 - $5.34 158 In stock
5/16-18
1.250 in
Female
0.500 in
Aluminum
0.750 in
Jergens
$2.35 - $3.69 Request the lead time here
3/8-16
1.580 in
Female
0.563 in
Thermoplastic
0.950 in
Reid Select
$4.94 - $4.94 604 In stock
5/16-18
1.500 in
Female
0.630 in
Aluminum
0.875 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
$1.42 - $2.23 Request the lead time here
1/2-13
2.360 in
Female
0.750 in
Thermoplastic
1.300 in
Reid Select
  • of 17
Lobed Knob - Female Thru Hole; 2.500 in; 1/2-13;

STT-11T

Price Range
$25.04 - $25.04

Stock Levels
96 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.125 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
Lobed Knob - Female; 1.970 in; 3/8-16; Brass

RST-79

Price Range
$4.96 - $3.16

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 3.150 in; 1/2-13; Brass

RST-97

Price Range
$11.68 - $7.43

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.750 in
  • Knob Material
    Phenolic
  • Overall Diameter
    3.150 in
Lobed Knob - Female Thru Hole; 1.500 in; 3/8-16; Cast Iron

TC-1A

Price Range
$11.10 - $11.10

Stock Levels
52 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.937 in
  • Knob Material
    Iron
  • Overall Diameter
    1.500 in
Lobed Knob - Female; .790 in; #8-32; Brass

RST-91

Price Range
$1.34 - $0.85

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    #8-32
  • Thread Length
    0.310 in
  • Knob Material
    Phenolic
  • Overall Diameter
    .790 in
Lobed Knob - Male; 2.250 in; 5/16-18; Steel

DK-1200

Price Range
$1.49 - $1.49

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    2.250 in
Lobed Knob - Female; 1.970 in; 1/2-13; Brass

RST-80

Price Range
$5.04 - $3.21

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.750 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.970 in
Lobed Knob - Female Thru Hole; 2.000 in; 3/8-16;

STT-8T

Price Range
$16.80 - $16.80

Stock Levels
308 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.000 in
Lobed Knob - Female Thru Hole; 3.000 in; 5/8-11;

STT-14T

Price Range
$24.84 - $24.84

Stock Levels
23 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    1.250 in
  • Knob Material
    Aluminum
  • Overall Diameter
    3.000 in
Lobed Knob - Female; 1.250 in; 5/16-18; Brass

DK-1185

Price Range
$1.31 - $1.31

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.250 in
Lobed Knob - ; ;

DK-92

Price Range
$1.80 - $1.62

Stock Levels
3739 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Material
    Brass
Lobed Knob - ; ;

DK-84

Price Range
$1.27 - $1.14

Stock Levels
781 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.438 in
  • Knob Material
    Nylon
  • Material
    Brass
Lobed Knob - Female; 1.000 in; 1/4-20; Brass

DK-144

Price Range
$1.22 - $1.22

Stock Levels
204 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.000 in
Lobed Knob - Female; 2.360 in; 5/16-18; Brass

JCL-112

Price Range
$2.23 - $1.42

Stock Levels
222 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.569 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in
Lobed Knob - Female; 3.150 in; 1/2-13; Brass

JCL-180

Price Range
$3.65 - $2.32

Stock Levels
10 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.150 in
Lobed Knob - Female; 1.250 in; 5/16-18;

JAC-105

Price Range
$5.34 - $5.34

Stock Levels
158 In stock
Attributes
  • Brand
    Jergens
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Aluminum
  • Overall Diameter
    1.250 in
Lobed Knob - Female; 1.580 in; 3/8-16; Stainless Steel

JCL-209

Price Range
$3.69 - $2.35

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.563 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.580 in
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; 1.580 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; 2.360 in; 1/2-13; Brass

JCL-114

Price Range
$2.23 - $1.42

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in