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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
$21.01 - $33.01 28 In stock
5/8-11
3.500 in
Female
1.437 in
Iron
1.438 in
Reid Select
$2.66 - $4.18 2 In stock
3/8-16
2.250 in
Male
2.000 in
Phenolic
1.125 in
DimcoGray
$33.84 - $33.84 13 In stock
1/2-13
2.500 in
Male
3.000 in
Aluminum
4.125 in
Reid Select
$3.85 - $3.85 1842 In stock
1/2-13
2.250 in
Male
2.000 in
Phenolic
1.125 in
DimcoGray
$1.26 - $1.41 1329 In stock
1/4-20
1.250 in
Male
1.000 in
Phenolic
0.875 in
DimcoGray
$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
$2.49 - $3.92 62 In stock
3/8-16
1.970 in
Male
0.980 in
Thermoplastic
2.100 in
Reid Select
$1.57 - $2.46 114 In stock
1/2-13
2.360 in
Male
1.380 in
Thermoplastic
2.680 in
Reid Select
$12.53 - $19.69 66 In stock
5/16-18
2.000 in
Male
3.000 in
Iron
0.875 in
Reid Select
$2.99 - $4.70 Request the lead time here
1/2-13
2.360 in
Male
0.980 in
Thermoplastic
2.280 in
Reid Select
$1.80 - $2.83 Request the lead time here
1/2-13
3.150 in
Male
1.180 in
Thermoplastic
1.610 in
Reid Select
$1.30 - $2.05 51 In stock
5/16-18
1.970 in
Male
0.980 in
Thermoplastic
2.100 in
Reid Select
$2.90 - $2.90 Request the lead time here
1/4-20
1.260 in
Male
0.980 in
Thermoplastic
1.820 in
Reid Select
$2.42 - $3.81 9 In stock
5/16-18
1.970 in
Male
0.980 in
Thermoplastic
2.100 in
Reid Select
$1.57 - $2.46 Request the lead time here
3/8-16
2.360 in
Male
0.980 in
Thermoplastic
2.280 in
Reid Select
$2.46 - $3.86 Request the lead time here
5/16-18
1.970 in
Male
1.250 in
Thermoplastic
2.370 in
Reid Select
$5.45 - $5.45 70 In stock
Non Threaded
2.125 in
Reamed
Aluminum
1.250 in
Jergens
$12.92 - $12.92 7 In stock
Non Threaded
1.570 in
Reamed
Stainless Steel
0.980 in
Kipp
$15.79 - $24.82 65 In stock
3/8-16
2.500 in
Male
1.750 in
Iron
1.500 in
Reid Select
$35.70 - $35.70 Request the lead time here
5/16-18
2.000 in
Male
3.000 in
Aluminum
4.000 in
Reid Select
  • of 17
Lobed Knob - Female Thru Hole; 3.500 in; 5/8-11; Cast Iron

TC-5A

Price Range
$33.01 - $21.01

Stock Levels
28 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    1.437 in
  • Knob Material
    Iron
  • Overall Diameter
    3.500 in
Lobed Knob - Male; 2.250 in; 3/8-16; Stainless Steel

DKS-98

Price Range
$4.18 - $2.66

Stock Levels
2 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    2.000 in
  • Knob Material
    Phenolic
  • Overall Diameter
    2.250 in
Lobed Knob - Male; 2.500 in; 1/2-13;

AKA-8

Price Range
$33.84 - $33.84

Stock Levels
13 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    3.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
Lobed Knob - Male; 2.250 in; 1/2-13; Steel

DK-140

Price Range
$3.85 - $3.85

Stock Levels
1842 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/2-13
  • Thread Length
    2.000 in
  • Knob Material
    Phenolic
  • Overall Diameter
    2.250 in
Lobed Knob - Male; 1.250 in; 1/4-20; Stainless Steel

DKS-85

Price Range
$1.41 - $1.26

Stock Levels
1329 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.250 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 - Male; 1.970 in; 3/8-16; Stainless Steel

JCL-236

Price Range
$3.92 - $2.49

Stock Levels
62 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 2.360 in; 1/2-13; Steel

JCL-139

Price Range
$2.46 - $1.57

Stock Levels
114 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.380 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in
Lobed Knob - Male; 2.000 in; 5/16-18; Steel

KA-4

Price Range
$19.69 - $12.53

Stock Levels
66 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    3.000 in
  • Knob Material
    Iron
  • Overall Diameter
    2.000 in
Lobed Knob - Male; 2.360 in; 1/2-13; Stainless Steel

JCL-241

Price Range
$4.70 - $2.99

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in
Lobed Knob - Male; 3.150 in; 1/2-13; Steel

JCL-255

Price Range
$2.83 - $1.80

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.180 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.150 in
Lobed Knob - Male; 1.970 in; 5/16-18; Steel

JCL-131

Price Range
$2.05 - $1.30

Stock Levels
51 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 1.260 in; 1/4-20; Stainless Steel

JCL-228

Price Range
$2.90 - $2.90

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.260 in
Lobed Knob - Male; 1.970 in; 5/16-18; Stainless Steel

JCL-233

Price Range
$3.81 - $2.42

Stock Levels
9 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 2.360 in; 3/8-16; Steel

JCL-136

Price Range
$2.46 - $1.57

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.980 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in
Lobed Knob - Male; 1.970 in; 5/16-18; Stainless Steel

JCL-234

Price Range
$3.86 - $2.46

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.250 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Reamed; 2.125 in; Non Threaded;

JAC-113

Price Range
$5.45 - $5.45

Stock Levels
70 In stock
Attributes
  • Brand
    Jergens
  • Thread Size
    Non Threaded
  • Knob Material
    Aluminum
  • Overall Diameter
    2.125 in
  • Overall Height
    1.250 in
Lobed Knob - Reamed; 1.570 in; Non Threaded; Stainless Steel

KHJ-152

Price Range
$12.92 - $12.92

Stock Levels
7 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    Non Threaded
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.570 in
  • Overall Height
    0.980 in
Lobed Knob - Male; 2.500 in; 3/8-16; Steel

KA-5

Price Range
$24.82 - $15.79

Stock Levels
65 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.750 in
  • Knob Material
    Iron
  • Overall Diameter
    2.500 in
Lobed Knob - Male; 2.000 in; 5/16-18;

AKA-4

Price Range
$35.70 - $35.70

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    3.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.000 in