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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
$1.85 - $2.06 254 In stock
M6
Female Thru Hole
0.500 in
Phenolic
Reid Select
$1.87 - $2.08 Request the lead time here
M8
Female Thru Hole
0.515 in
Phenolic
Reid Select
$1.53 - $1.53 Request the lead time here
1/4-20
2.250 in
Female
0.500 in
Thermoplastic
1.000 in
Reid Select
$1.58 - $1.58 Request the lead time here
5/16-18
Female
0.500 in
Nylon
Reid Select
$13.01 - $13.01 183 In stock
Non Threaded
2.750 in
Blank
Iron
2.000 in
Reid Select
$11.52 - $11.52 12 In stock
Non Threaded
1.000 in
Blank
Aluminum
0.875 in
Reid Select
$1.07 - $1.19 2520 In stock
1/4-20
Female Thru Hole
0.500 in
Phenolic
Reid Select
$1.91 - $2.13 937 In stock
5/16-18
Female Thru Hole
0.625 in
Phenolic
Reid Select
$1.63 - $1.82 16 In stock
M8
Female Thru Hole
0.625 in
Phenolic
Reid Select
$1.69 - $1.69 250 In stock
3/8-16
2.250 in
Female
0.500 in
Thermoplastic
1.000 in
Reid Select
$1.68 - $1.87 440 In stock
1/4-28
Female
0.625 in
Thermoplastic
Reid Select
$3.81 - $3.81 105 In stock
Non Threaded
1.500 in
Blank
Iron
0.875 in
Reid Select
$1.89 - $2.10 2052 In stock
3/8-24
Female Thru Hole
0.625 in
Phenolic
Reid Select
$3.79 - $3.79 66 In stock
Non Threaded
1.125 in
Blank
Iron
0.750 in
Reid Select
$1.71 - $1.91 1765 In stock
3/8-16
Female Thru Hole
0.625 in
Phenolic
Reid Select
$1.75 - $1.75 Request the lead time here
1/4-20
Female
0.625 in
Thermoplastic
Reid Select
$3.44 - $5.40 441 In stock
Non Threaded
1.125 in
Blank
Iron
1.375 in
Reid Select
$1.29 - $1.44 1233 In stock
5/16-24
Female Thru Hole
0.625 in
Phenolic
Reid Select
$2.25 - $2.50 468 In stock
1/2-20
Female Thru Hole
0.625 in
Phenolic
Reid Select
$1.53 - $1.53 Request the lead time here
5/16-18
1.750 in
Female
0.500 in
Nylon
1.000 in
Reid Select
  • of 17
Lobed Knob - ; ;

DK-1178

Price Range
$2.06 - $1.85

Stock Levels
254 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    M6
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - ; ;

DK-1179

Price Range
$2.08 - $1.87

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    M8
  • Thread Length
    0.515 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - Female; 2.250 in; 1/4-20; Brass

DK-1190

Price Range
$1.53 - $1.53

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

DK-1195

Price Range
$1.58 - $1.58

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

DK-81

Price Range
$1.19 - $1.07

Stock Levels
2520 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - ; ;

DK-138

Price Range
$2.13 - $1.91

Stock Levels
937 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - ; ;

DK-1181

Price Range
$1.82 - $1.63

Stock Levels
16 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    M8
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - Female; 2.250 in; 3/8-16; Brass

DK-1192

Price Range
$1.69 - $1.69

Stock Levels
250 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.250 in
Lobed Knob - ; ;

DK-214

Price Range
$1.87 - $1.68

Stock Levels
440 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-28
  • Thread Length
    0.625 in
  • Knob Material
    Thermoplastic
  • Material
    Brass
Lobed Knob - Blank; 1.500 in; Non Threaded; Cast Iron

KP-3

Price Range
$3.81 - $3.81

Stock Levels
105 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Iron
  • Overall Diameter
    1.500 in
  • Overall Height
    0.875 in
Lobed Knob - ; ;

DK-88

Price Range
$2.10 - $1.89

Stock Levels
2052 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-24
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - Blank; 1.125 in; Non Threaded; Cast Iron

KP-2

Price Range
$3.79 - $3.79

Stock Levels
66 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Iron
  • Overall Diameter
    1.125 in
  • Overall Height
    0.750 in
Lobed Knob - ; ;

DK-87

Price Range
$1.91 - $1.71

Stock Levels
1765 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - ; ;

DK-206

Price Range
$1.75 - $1.75

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.625 in
  • Knob Material
    Thermoplastic
  • Material
    Brass
Lobed Knob - Blank; 1.125 in; Non Threaded; Cast Iron

KC-0

Price Range
$5.40 - $3.44

Stock Levels
441 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Iron
  • Overall Diameter
    1.125 in
  • Overall Height
    1.375 in
Lobed Knob - ; ;

DK-56

Price Range
$1.44 - $1.29

Stock Levels
1233 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-24
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - ; ;

DK-90

Price Range
$2.50 - $2.25

Stock Levels
468 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-20
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Brass
Lobed Knob - Female; 1.750 in; 5/16-18; Brass

DK-1188

Price Range
$1.53 - $1.53

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
    1.750 in