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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
$26.40 - $26.40 74 In stock
5/16-18
2.000 in
Male
1.750 in
Aluminum
2.750 in
Reid Select
$2.30 - $3.62 66 In stock
5/16-18
Male
2.000 in
Phenolic
Reid Select
$3.85 - $3.85 1842 In stock
1/2-13
Male
2.000 in
Phenolic
Reid Select
$1.60 - $1.60 888 In stock
5/16-18
1.750 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$3.73 - $4.15 161 In stock
1/2-13
Male
0.625 in
Phenolic
Reid Select
$10.84 - $17.03 115 In stock
3/8-16
2.000 in
Female Thru Hole
1.937 in
Iron
1.938 in
Reid Select
$33.29 - $33.29 22 In stock
1/2-13
2.500 in
Male
1.750 in
Aluminum
2.875 in
Reid Select
$2.35 - $2.62 453 In stock
5/16-18
Male
1.000 in
Phenolic
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
$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
$16.80 - $16.80 69 In stock
3/8-16
2.000 in
Female Thru Hole
1.000 in
Aluminum
1.000 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
$1.62 - $1.62 Request the lead time here
3/8-16
2.250 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$1.48 - $1.65 1079 In stock
#10-24
Male
0.750 in
Phenolic
Reid Select
$1.26 - $1.41 1329 In stock
1/4-20
Male
1.000 in
Phenolic
Reid Select
$1.49 - $1.49 Request the lead time here
5/16-18
2.250 in
Male
0.500 in
Nylon
1.500 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
$1.18 - $1.86 759 In stock
1/4-20
1.260 in
Female
0.390 in
Phenolic
0.790 in
Reid Select
$9.44 - $9.44 Request the lead time here
1/4-20
1.125 in
Female Thru Hole
1.325 in
Iron
1.313 in
Reid Select
$7.70 - $12.10 127 In stock
5/16-18
2.000 in
Female
0.500 in
Iron
0.813 in
Reid Select
  • of 17
Lobed Knob - Male; 2.000 in; 5/16-18;

AKA-3

Price Range
$26.40 - $26.40

Stock Levels
74 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.750 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.000 in
Lobed Knob - ; ;

DK-685

Price Range
$3.62 - $2.30

Stock Levels
66 In stock
Attributes
  • Brand
    Reid Select
  • 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
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    2.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Male; 1.750 in; 5/16-18; Steel

DK-1198

Price Range
$1.60 - $1.60

Stock Levels
888 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Nylon
  • Overall Diameter
    1.750 in
Lobed Knob - ; ;

DK-139

Price Range
$4.15 - $3.73

Stock Levels
161 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    0.625 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Female Thru Hole; 2.000 in; 3/8-16; Cast Iron

TC-2A

Price Range
$17.03 - $10.84

Stock Levels
115 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.937 in
  • Knob Material
    Iron
  • Overall Diameter
    2.000 in
Lobed Knob - Male; 2.500 in; 1/2-13;

AKA-7

Price Range
$33.29 - $33.29

Stock Levels
22 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
453 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
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; 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 Thru Hole; 2.000 in; 3/8-16;

STT-8T

Price Range
$16.80 - $16.80

Stock Levels
69 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.000 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 - Male; 2.250 in; 3/8-16; Steel

DK-1201

Price Range
$1.62 - $1.62

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
    2.250 in
Lobed Knob - ; ;

DK-665

Price Range
$1.65 - $1.48

Stock Levels
1079 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-24
  • Thread Length
    0.750 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DKS-85

Price Range
$1.41 - $1.26

Stock Levels
1329 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Stainless Steel
Lobed Knob - Male; 2.250 in; 5/16-18; Steel

DK-1200

Price Range
$1.49 - $1.49

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
    2.250 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; 1.260 in; 1/4-20; Brass

RST-93

Price Range
$1.86 - $1.18

Stock Levels
759 In stock
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 Thru Hole; 1.125 in; 1/4-20; Cast Iron

TC-0A

Price Range
$9.44 - $9.44

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    1.325 in
  • Knob Material
    Iron
  • Overall Diameter
    1.125 in
Lobed Knob - Female; 2.000 in; 5/16-18; Cast Iron

TP-4A

Price Range
$12.10 - $7.70

Stock Levels
127 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.500 in
  • Knob Material
    Iron
  • Overall Diameter
    2.000 in