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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
$7.93 - $7.93 31 In stock
1/4-20
1.125 in
Female
0.380 in
Iron
0.688 in
Reid Select
$22.68 - $22.68 19 In stock
1/2-13
2.750 in
Female
1.250 in
Iron
1.688 in
Reid Select
$26.40 - $26.40 57 In stock
5/16-18
2.000 in
Male
1.750 in
Aluminum
2.750 in
Reid Select
$1.17 - $1.30 509 In stock
#10-32
Male
0.750 in
Phenolic
DimcoGray
$2.06 - $2.29 1157 In stock
3/8-16
Male
1.500 in
Phenolic
DimcoGray
$2.10 - $2.34 500 In stock
5/16-18
Male
1.000 in
Phenolic
DimcoGray
$1.62 - $1.62 Request the lead time here
3/8-16
2.250 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$8.39 - $8.39 485 In stock
5/8-11
3.000 in
Female
1.250 in
Aluminum
1.750 in
Jergens
$5.34 - $5.34 158 In stock
5/16-18
1.250 in
Female
0.500 in
Aluminum
0.750 in
Jergens
$2.32 - $3.65 16 In stock
5/8-11
3.150 in
Female
0.940 in
Thermoplastic
1.610 in
Reid Select
$1.72 - $2.71 Request the lead time here
1/4-20
1.580 in
Female
0.375 in
Thermoplastic
0.910 in
Reid Select
$23.27 - $23.27 51 In stock
1/4-20
1.250 in
Female
0.470 in
Stainless Steel
0.790 in
Kipp
$31.26 - $31.26 36 In stock
1/2-13
2.480 in
Female Thru Hole
0.866 in
Stainless Steel
1.570 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
$21.59 - $21.59 77 In stock
5/16-18
1.570 in
Female
0.590 in
Stainless Steel
0.980 in
Kipp
$3.40 - $3.40 2443 In stock
3/8-16
2.500 in
Female
0.500 in
Thermoplastic
1.090 in
Reid Select
$42.70 - $42.70 11 In stock
1/2-13
2.480 in
Female
0.870 in
Stainless Steel
1.570 in
Kipp
$2.81 - $4.42 Request the lead time here
3/8-16
2.360 in
Female
0.563 in
Thermoplastic
1.300 in
Reid Select
$0.79 - $1.24 30 In stock
1/4-20
1.180 in
Female
0.380 in
Thermoplastic
0.870 in
Reid Select
$2.32 - $3.65 62 In stock
1/2-13
3.150 in
Female
0.750 in
Thermoplastic
1.610 in
Reid Select
  • of 17
Lobed Knob - Female; 1.125 in; 1/4-20; Cast Iron

TP-2A

Price Range
$7.93 - $7.93

Stock Levels
31 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.380 in
  • Knob Material
    Iron
  • Overall Diameter
    1.125 in
Lobed Knob - Female; 2.750 in; 1/2-13; Cast Iron

TP-8A

Price Range
$22.68 - $22.68

Stock Levels
19 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.250 in
  • Knob Material
    Iron
  • Overall Diameter
    2.750 in
Lobed Knob - Male; 2.000 in; 5/16-18;

AKA-3

Price Range
$26.40 - $26.40

Stock Levels
57 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.750 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.000 in
Lobed Knob - ; ;

DK-670

Price Range
$1.30 - $1.17

Stock Levels
509 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    #10-32
  • Thread Length
    0.750 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DK-97

Price Range
$2.29 - $2.06

Stock Levels
1157 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    1.500 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DKS-86

Price Range
$2.34 - $2.10

Stock Levels
500 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Stainless Steel
Lobed Knob - Male; 2.250 in; 3/8-16; Steel

DK-1201

Price Range
$1.62 - $1.62

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    2.250 in
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; 1.250 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; 3.150 in; 5/8-11; Brass

JCL-125

Price Range
$3.65 - $2.32

Stock Levels
16 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    0.940 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.150 in
Lobed Knob - Female; 1.580 in; 1/4-20; Stainless Steel

JCL-207

Price Range
$2.71 - $1.72

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; 1.250 in; 1/4-20; Stainless Steel

KHJ-174

Price Range
$23.27 - $23.27

Stock Levels
51 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    1/4-20
  • Thread Length
    0.470 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.250 in
Lobed Knob - Female Thru Hole; 2.480 in; 1/2-13; Stainless Steel

KHJ-172

Price Range
$31.26 - $31.26

Stock Levels
36 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    1/2-13
  • Thread Length
    0.866 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    2.480 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 - Female; 1.570 in; 5/16-18; Stainless Steel

KHJ-176

Price Range
$21.59 - $21.59

Stock Levels
77 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    5/16-18
  • Thread Length
    0.590 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.570 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; 2.480 in; 1/2-13; Stainless Steel

KHJ-180

Price Range
$42.70 - $42.70

Stock Levels
11 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    1/2-13
  • Thread Length
    0.870 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    2.480 in
Lobed Knob - Female; 2.360 in; 3/8-16; Stainless Steel

JCL-216

Price Range
$4.42 - $2.81

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
    2.360 in
Lobed Knob - Female; 1.180 in; 1/4-20; Brass

JCL-150

Price Range
$1.24 - $0.79

Stock Levels
30 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.380 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.180 in
Lobed Knob - Female; 3.150 in; 1/2-13; Brass

JCL-120

Price Range
$3.65 - $2.32

Stock Levels
62 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.150 in