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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
$13.01 - $13.01 Request the lead time here
Non Threaded
2.750 in
Blank
Iron
2.000 in
Reid Select
$9.11 - $9.11 14 In stock
Non Threaded
1.000 in
Blank
Aluminum
0.875 in
Reid Select
$1.07 - $1.19 3654 In stock
1/4-20
1.250 in
Female
0.500 in
Phenolic
0.875 in
DimcoGray
$1.91 - $2.13 960 In stock
5/16-18
2.250 in
Female
0.625 in
Phenolic
1.125 in
DimcoGray
$1.63 - $1.82 Request the lead time here
M8
1.750 in
Female
0.625 in
Phenolic
1.000 in
DimcoGray
$1.89 - $2.10 2052 In stock
3/8-24
2.250 in
Female
0.625 in
Phenolic
1.125 in
DimcoGray
$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 - $1.87 540 In stock
1/4-28
3.000 in
Female
0.625 in
Thermoplastic
1.250 in
DimcoGray
$3.81 - $3.81 116 In stock
Non Threaded
1.500 in
Blank
Iron
0.875 in
Reid Select
$12.16 - $12.16 Request the lead time here
Non Threaded
2.000 in
Blank
Aluminum
1.000 in
Reid Select
$1.48 - $1.65 676 In stock
1/4-20
1.750 in
Female
0.625 in
Phenolic
1.000 in
DimcoGray
$1.67 - $1.67 Request the lead time here
3/8-16
3.000 in
Female
0.625 in
Thermoplastic
1.250 in
DimcoGray
$1.42 - $2.23 350 In stock
3/8-16
3.000 in
Female
0.625 in
Thermoplastic
1.250 in
DimcoGray
$18.33 - $18.33 32 In stock
Non Threaded
3.500 in
Blank
Iron
1.500 in
Reid Select
$10.46 - $10.46 412 In stock
Non Threaded
1.500 in
Blank
Aluminum
0.875 in
Reid Select
$1.14 - $1.27 1228 In stock
5/16-18
1.250 in
Female
0.500 in
Phenolic
0.875 in
DimcoGray
$1.71 - $1.91 1794 In stock
3/8-16
2.250 in
Female
0.625 in
Phenolic
1.125 in
DimcoGray
$6.05 - $6.05 244 In stock
Non Threaded
2.000 in
Blank
Iron
0.875 in
Reid Select
$13.27 - $13.27 108 In stock
Non Threaded
2.500 in
Blank
Aluminum
1.125 in
Reid Select
$1.29 - $1.44 1108 In stock
5/16-18
1.750 in
Female
0.625 in
Phenolic
1.000 in
DimcoGray
  • of 17
Lobed Knob - Blank; 2.750 in; Non Threaded; Cast Iron

KC-4

Price Range
$13.01 - $13.01

Stock Levels
Request the lead time here
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
$9.11 - $9.11

Stock Levels
14 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 - Female Thru Hole; 1.250 in; 1/4-20; Brass

DK-81

Price Range
$1.19 - $1.07

Stock Levels
3654 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.250 in
Lobed Knob - Female Thru Hole; 2.250 in; 5/16-18; Brass

DK-138

Price Range
$2.13 - $1.91

Stock Levels
960 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Overall Diameter
    2.250 in
Lobed Knob - Female Thru Hole; 1.750 in; M8; Brass

DK-1181

Price Range
$1.82 - $1.63

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    M8
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.750 in
Lobed Knob - Female Thru Hole; 2.250 in; 3/8-24; Brass

DK-88

Price Range
$2.10 - $1.89

Stock Levels
2052 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-24
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Overall Diameter
    2.250 in
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 - Female; 3.000 in; 1/4-28; Brass

DK-214

Price Range
$1.87 - $1.68

Stock Levels
540 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-28
  • Thread Length
    0.625 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.000 in
Lobed Knob - Blank; 1.500 in; Non Threaded; Cast Iron

KP-3

Price Range
$3.81 - $3.81

Stock Levels
116 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 - Blank; 2.000 in; Non Threaded;

STT-7

Price Range
$12.16 - $12.16

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Aluminum
  • Overall Diameter
    2.000 in
  • Overall Height
    1.000 in
Lobed Knob - Female Thru Hole; 1.750 in; 1/4-20; Brass

DK-54

Price Range
$1.65 - $1.48

Stock Levels
676 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    1/4-20
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.750 in
Lobed Knob - Female; 3.000 in; 3/8-16; Brass

DK-211

Price Range
$1.67 - $1.67

Stock Levels
Request the lead time here
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.000 in
Lobed Knob - Female; 3.000 in; 3/8-16; Brass

DK-218

Price Range
$2.23 - $1.42

Stock Levels
350 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.000 in
Lobed Knob - Blank; 3.500 in; Non Threaded; Cast Iron

KC-5

Price Range
$18.33 - $18.33

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

STT-4

Price Range
$10.46 - $10.46

Stock Levels
412 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Aluminum
  • Overall Diameter
    1.500 in
  • Overall Height
    0.875 in
Lobed Knob - Female Thru Hole; 1.250 in; 5/16-18; Brass

DK-82

Price Range
$1.27 - $1.14

Stock Levels
1228 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.250 in
Lobed Knob - Female Thru Hole; 2.250 in; 3/8-16; Brass

DK-87

Price Range
$1.91 - $1.71

Stock Levels
1794 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Overall Diameter
    2.250 in
Lobed Knob - Blank; 2.000 in; Non Threaded; Cast Iron

KP-4

Price Range
$6.05 - $6.05

Stock Levels
244 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Iron
  • Overall Diameter
    2.000 in
  • Overall Height
    0.875 in
Lobed Knob - Blank; 2.500 in; Non Threaded;

STT-10

Price Range
$13.27 - $13.27

Stock Levels
108 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    Non Threaded
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
  • Overall Height
    1.125 in
Lobed Knob - Female Thru Hole; 1.750 in; 5/16-18; Brass

DK-55

Price Range
$1.44 - $1.29

Stock Levels
1108 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.750 in