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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
$0.97 - $1.52 450 In stock
#10-24
.790 in
Female
0.350 in
Phenolic
0.550 in
Reid Select
$24.84 - $24.84 25 In stock
5/8-11
3.000 in
Female Thru Hole
1.250 in
Aluminum
1.250 in
Reid Select
$6.03 - $9.47 13 In stock
1/4-20
1.500 in
Female
0.500 in
Iron
0.813 in
Reid Select
$22.68 - $22.68 26 In stock
5/8-11
2.750 in
Female
1.250 in
Iron
1.688 in
Reid Select
$4.88 - $5.43 287 In stock
3/8-16
Male
2.500 in
Phenolic
DimcoGray
$4.67 - $5.19 66 In stock
3/8-16
Male
1.500 in
Phenolic
DimcoGray
$11.24 - $17.66 68 In stock
3/8-16
2.500 in
Female
1.000 in
Iron
1.438 in
Reid Select
$1.02 - $1.60 14 In stock
1/4-20
0.980 in
Female
0.390 in
Phenolic
0.750 in
Reid Select
$7.70 - $12.10 118 In stock
5/16-18
2.000 in
Female
0.500 in
Iron
0.813 in
Reid Select
$44.93 - $44.93 38 In stock
3/8-16
2.500 in
Male
1.750 in
Aluminum
2.875 in
Reid Select
$1.10 - $1.23 787 In stock
5/16-18
Male
1.000 in
Phenolic
DimcoGray
$1.42 - $2.23 882 In stock
3/8-16
2.360 in
Female
0.563 in
Thermoplastic
1.300 in
Reid Select
$0.55 - $0.86 484 In stock
1/4-20
.790 in
Female
0.380 in
Thermoplastic
0.510 in
Reid Select
$2.32 - $3.65 32 In stock
1/2-13
3.150 in
Female
0.750 in
Thermoplastic
1.610 in
Reid Select
$4.02 - $4.02 278 In stock
1/2-13
2.500 in
Female
0.500 in
Thermoplastic
1.090 in
Reid Select
$1.21 - $1.90 73 In stock
3/8-16
1.970 in
Female
0.563 in
Thermoplastic
1.120 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
$29.50 - $29.50 60 In stock
5/16-18
1.570 in
Female Thru Hole
0.551 in
Stainless Steel
0.980 in
Kipp
$2.32 - $3.65 457 In stock
5/8-11
3.150 in
Female
0.940 in
Thermoplastic
1.610 in
Reid Select
$2.81 - $4.42 Request the lead time here
3/8-16
2.360 in
Female
0.563 in
Thermoplastic
1.300 in
Reid Select
  • of 17
Lobed Knob - Female; .790 in; #10-24; Brass

RST-92

Price Range
$1.52 - $0.97

Stock Levels
450 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-24
  • Thread Length
    0.350 in
  • Knob Material
    Phenolic
  • Overall Diameter
    .790 in
Lobed Knob - Female Thru Hole; 3.000 in; 5/8-11;

STT-14T

Price Range
$24.84 - $24.84

Stock Levels
25 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    1.250 in
  • Knob Material
    Aluminum
  • Overall Diameter
    3.000 in
Lobed Knob - Female; 1.500 in; 1/4-20; Cast Iron

TP-3A

Price Range
$9.47 - $6.03

Stock Levels
13 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.500 in
  • Knob Material
    Iron
  • Overall Diameter
    1.500 in
Lobed Knob - Female; 2.750 in; 5/8-11; Cast Iron

TP-8B

Price Range
$22.68 - $22.68

Stock Levels
26 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/8-11
  • Thread Length
    1.250 in
  • Knob Material
    Iron
  • Overall Diameter
    2.750 in
Lobed Knob - ; ;

DK-705

Price Range
$5.43 - $4.88

Stock Levels
287 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    2.500 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DKS-97

Price Range
$5.19 - $4.67

Stock Levels
66 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    3/8-16
  • Thread Length
    1.500 in
  • Knob Material
    Phenolic
  • Material
    Stainless Steel
Lobed Knob - Female; 2.500 in; 3/8-16; Cast Iron

TP-6A

Price Range
$17.66 - $11.24

Stock Levels
68 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Iron
  • Overall Diameter
    2.500 in
Lobed Knob - Female; 0.980 in; 1/4-20; Brass

RST-75

Price Range
$1.60 - $1.02

Stock Levels
14 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.390 in
  • Knob Material
    Phenolic
  • Overall Diameter
    0.980 in
Lobed Knob - Female; 2.000 in; 5/16-18; Cast Iron

TP-4A

Price Range
$12.10 - $7.70

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

AKA-5

Price Range
$44.93 - $44.93

Stock Levels
38 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.750 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
Lobed Knob - ; ;

DK-86

Price Range
$1.23 - $1.10

Stock Levels
787 In stock
Attributes
  • Brand
    DimcoGray
  • Thread Size
    5/16-18
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Female; 2.360 in; 3/8-16; Brass

JCL-122

Price Range
$2.23 - $1.42

Stock Levels
882 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.563 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.360 in
Lobed Knob - Female; .790 in; 1/4-20; Brass

JCL-140

Price Range
$0.86 - $0.55

Stock Levels
484 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.380 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    .790 in
Lobed Knob - Female; 3.150 in; 1/2-13; Brass

JCL-180

Price Range
$3.65 - $2.32

Stock Levels
32 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.750 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    3.150 in
Lobed Knob - Female; 2.500 in; 1/2-13; Brass

RK-20

Price Range
$4.02 - $4.02

Stock Levels
278 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.500 in
  • Knob Material
    Thermoplastic
  • Overall Diameter
    2.500 in
Lobed Knob - Female; 1.970 in; 3/8-16; Brass

JCL-121

Price Range
$1.90 - $1.21

Stock Levels
73 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; .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 Thru Hole; 1.570 in; 5/16-18; Stainless Steel

KHJ-168

Price Range
$29.50 - $29.50

Stock Levels
60 In stock
Attributes
  • Brand
    Kipp
  • Thread Size
    5/16-18
  • Thread Length
    0.551 in
  • Knob Material
    Stainless Steel
  • Overall Diameter
    1.570 in
Lobed Knob - Female; 3.150 in; 5/8-11; Brass

JCL-185

Price Range
$3.65 - $2.32

Stock Levels
457 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; 2.360 in; 3/8-16; Stainless Steel

JCL-216

Price Range
$4.42 - $2.81

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
    2.360 in