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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
$1.09 - $1.22 1537 In stock
1/4-20
Male
1.000 in
Phenolic
Reid Select
$3.21 - $5.04 Request the lead time here
1/2-13
1.970 in
Female
0.750 in
Phenolic
1.260 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 71 In stock
1/2-13
2.500 in
Female Thru Hole
1.125 in
Aluminum
1.125 in
Reid Select
$21.01 - $33.01 28 In stock
5/8-11
3.500 in
Female Thru Hole
1.437 in
Iron
1.438 in
Reid Select
$22.68 - $22.68 21 In stock
1/2-13
2.750 in
Female
1.250 in
Iron
1.688 in
Reid Select
$1.11 - $1.11 Request the lead time here
#8-32
1.000 in
Female
0.375 in
Nylon
0.750 in
Reid Select
$1.40 - $1.56 373 In stock
1/4-20
Female
0.438 in
Nylon
Reid Select
$2.04 - $2.27 241 In stock
3/8-24
Female
0.500 in
Nylon
Reid Select
$1.24 - $1.24 2147 In stock
1/4-20
1.250 in
Female
0.500 in
Nylon
0.875 in
Reid Select
$1.18 - $1.18 131 In stock
#10-32
1.000 in
Female
0.375 in
Nylon
0.750 in
Reid Select
$0.79 - $1.24 328 In stock
5/16-18
1.260 in
Female
0.469 in
Thermoplastic
0.910 in
Reid Select
$4.94 - $4.94 63 In stock
3/8-16
1.500 in
Female
0.630 in
Aluminum
0.875 in
Jergens
$1.21 - $1.90 610 In stock
3/8-16
1.970 in
Female
0.563 in
Thermoplastic
1.120 in
Reid Select
$2.35 - $3.69 Request the lead time here
3/8-16
1.580 in
Female
0.563 in
Thermoplastic
0.950 in
Reid Select
$2.19 - $3.44 Request the lead time here
5/16-18
1.970 in
Female
0.469 in
Thermoplastic
0.950 in
Reid Select
$0.52 - $0.81 Request the lead time here
#10-32
.790 in
Female
0.280 in
Thermoplastic
0.510 in
Reid Select
$2.32 - $3.65 16 In stock
5/8-11
3.150 in
Female
0.940 in
Thermoplastic
1.610 in
Reid Select
$1.65 - $2.59 Request the lead time here
1/4-20
1.260 in
Female
0.375 in
Thermoplastic
0.910 in
Reid Select
$0.79 - $1.24 Request the lead time here
1/4-20
1.260 in
Female
0.375 in
Thermoplastic
0.910 in
Reid Select
  • of 17
Lobed Knob - ; ;

DK-85

Price Range
$1.22 - $1.09

Stock Levels
1537 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Female; 1.970 in; 1/2-13; Brass

RST-80

Price Range
$5.04 - $3.21

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
    1.970 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
71 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.125 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
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 - Female; 2.750 in; 1/2-13; Cast Iron

TP-8A

Price Range
$22.68 - $22.68

Stock Levels
21 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 - Female; 1.000 in; #8-32; Brass

DK-141

Price Range
$1.11 - $1.11

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    #8-32
  • Thread Length
    0.375 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.000 in
Lobed Knob - ; ;

DK-59

Price Range
$1.56 - $1.40

Stock Levels
373 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.438 in
  • Knob Material
    Nylon
  • Material
    Brass
Lobed Knob - ; ;

DK-93

Price Range
$2.27 - $2.04

Stock Levels
241 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-24
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Material
    Brass
Lobed Knob - Female; 1.250 in; 1/4-20; Brass

DK-1184

Price Range
$1.24 - $1.24

Stock Levels
2147 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.250 in
Lobed Knob - Female; 1.000 in; #10-32; Brass

DK-143

Price Range
$1.18 - $1.18

Stock Levels
131 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-32
  • Thread Length
    0.375 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.000 in
Lobed Knob - Female; 1.260 in; 5/16-18; Brass

JCL-103

Price Range
$1.24 - $0.79

Stock Levels
328 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.469 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.260 in
Lobed Knob - Female; 1.500 in; 3/8-16;

JAC-110

Price Range
$4.94 - $4.94

Stock Levels
63 In stock
Attributes
  • Brand
    Jergens
  • Thread Size
    3/8-16
  • Thread Length
    0.630 in
  • Knob Material
    Aluminum
  • Overall Diameter
    1.500 in
Lobed Knob - Female; 1.970 in; 3/8-16; Brass

JCL-109

Price Range
$1.90 - $1.21

Stock Levels
610 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.563 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 1.580 in; 3/8-16; Stainless Steel

JCL-209

Price Range
$3.69 - $2.35

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
    1.580 in
Lobed Knob - Female; 1.970 in; 5/16-18; Stainless Steel

JCL-211

Price Range
$3.44 - $2.19

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.469 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; .790 in; #10-32; Brass

JCL-135

Price Range
$0.81 - $0.52

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-32
  • Thread Length
    0.280 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    .790 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; 1.260 in; 1/4-20; Stainless Steel

JCL-204

Price Range
$2.59 - $1.65

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
    1.260 in
Lobed Knob - Female; 1.260 in; 1/4-20; Brass

JCL-116

Price Range
$1.24 - $0.79

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
    1.260 in