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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
$2.30 - $3.62 66 In stock
5/16-18
Male
2.000 in
Phenolic
DimcoGray
$3.85 - $3.85 1842 In stock
1/2-13
Male
2.000 in
Phenolic
DimcoGray
$33.29 - $33.29 58 In stock
1/2-13
2.500 in
Male
1.750 in
Aluminum
2.875 in
Reid Select
$2.35 - $2.62 449 In stock
5/16-18
Male
1.000 in
Phenolic
DimcoGray
$3.57 - $3.57 249 In stock
1/2-13
Male
1.500 in
Phenolic
DimcoGray
$1.31 - $1.31 Request the lead time here
1/4-20
1.750 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$1.41 - $2.22 Request the lead time here
1/4-20
1.260 in
Female
0.390 in
Phenolic
0.870 in
Reid Select
$1.67 - $2.62 Request the lead time here
5/16-18
1.570 in
Female
0.550 in
Phenolic
1.020 in
Reid Select
$11.10 - $11.10 34 In stock
3/8-16
1.500 in
Female Thru Hole
1.937 in
Iron
1.938 in
Reid Select
$11.38 - $17.89 119 In stock
3/8-16
2.500 in
Female
1.750 in
Iron
2.188 in
Reid Select
$3.73 - $4.15 Request the lead time here
1/2-13
Male
0.625 in
Phenolic
DimcoGray
$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
$2.33 - $3.66 Request the lead time here
5/16-18
1.970 in
Female
0.550 in
Phenolic
1.260 in
Reid Select
$27.30 - $27.30 45 In stock
1/4-20
1.500 in
Male
1.750 in
Aluminum
2.625 in
Reid Select
$59.95 - $59.95 13 In stock
5/8-11
3.000 in
Male
3.000 in
Aluminum
4.250 in
Reid Select
$1.68 - $1.87 618 In stock
3/8-16
Male
1.000 in
Phenolic
DimcoGray
$1.42 - $1.42 Request the lead time here
3/8-16
1.750 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$1.60 - $2.52 1 In stock
5/16-18
1.570 in
Female
0.550 in
Phenolic
1.060 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
$25.04 - $25.04 90 In stock
1/2-13
2.500 in
Female Thru Hole
1.125 in
Aluminum
1.125 in
Reid Select
  • of 17
Lobed Knob - ; ;

DK-685

Price Range
$3.62 - $2.30

Stock Levels
66 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    2.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

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
  • Material
    Steel
Lobed Knob - Male; 2.500 in; 1/2-13;

AKA-7

Price Range
$33.29 - $33.29

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

DK-680

Price Range
$2.62 - $2.35

Stock Levels
449 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DK-710

Price Range
$3.57 - $3.57

Stock Levels
249 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/2-13
  • Thread Length
    1.500 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Male; 1.750 in; 1/4-20; Steel

DK-1197

Price Range
$1.31 - $1.31

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.750 in
Lobed Knob - Female; 1.260 in; 1/4-20; Brass

RST-76

Price Range
$2.22 - $1.41

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.390 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.260 in
Lobed Knob - Female; 1.570 in; 5/16-18; Brass

RST-94

Price Range
$2.62 - $1.67

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.570 in
Lobed Knob - Female Thru Hole; 1.500 in; 3/8-16; Cast Iron

TC-1A

Price Range
$11.10 - $11.10

Stock Levels
34 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; 2.500 in; 3/8-16; Cast Iron

TP-5A

Price Range
$17.89 - $11.38

Stock Levels
119 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 - ; ;

DK-139

Price Range
$4.15 - $3.73

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/2-13
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Steel
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; 1.970 in; 5/16-18; Brass

RST-78

Price Range
$3.66 - $2.33

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.970 in
Lobed Knob - Male; 1.500 in; 1/4-20;

AKA-1

Price Range
$27.30 - $27.30

Stock Levels
45 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    1.750 in
  • Knob Material
    Aluminum
  • Overall Diameter
    1.500 in
Lobed Knob - Male; 3.000 in; 5/8-11;

AKA-10

Price Range
$59.95 - $59.95

Stock Levels
13 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    3.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    3.000 in
Lobed Knob - ; ;

DK-690

Price Range
$1.87 - $1.68

Stock Levels
618 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Male; 1.750 in; 3/8-16; Steel

DK-1199

Price Range
$1.42 - $1.42

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
    1.750 in
Lobed Knob - Female; 1.570 in; 5/16-18; Brass

RST-77

Price Range
$2.52 - $1.60

Stock Levels
1 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.570 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 - Female Thru Hole; 2.500 in; 1/2-13;

STT-11T

Price Range
$25.04 - $25.04

Stock Levels
90 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.125 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in