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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
$4.88 - $5.43 339 In stock
3/8-16
Male
2.500 in
Phenolic
Reid Select
$4.67 - $5.19 82 In stock
3/8-16
Male
1.500 in
Phenolic
Reid Select
$1.67 - $1.86 303 In stock
1/4-20
Male
1.000 in
Phenolic
Reid Select
$2.33 - $3.66 Request the lead time here
5/16-18
1.970 in
Female
0.550 in
Phenolic
1.260 in
Reid Select
$3.09 - $4.86 Request the lead time here
1/2-13
2.480 in
Female
0.750 in
Phenolic
1.500 in
Reid Select
$11.39 - $11.39 333 In stock
1/4-20
1.000 in
Female Thru Hole
0.875 in
Aluminum
0.875 in
Reid Select
$25.04 - $25.04 102 In stock
1/2-13
2.500 in
Female Thru Hole
1.125 in
Aluminum
1.125 in
Reid Select
$7.93 - $7.93 31 In stock
1/4-20
1.125 in
Female
0.380 in
Iron
0.688 in
Reid Select
$33.84 - $33.84 13 In stock
1/2-13
2.500 in
Male
3.000 in
Aluminum
4.125 in
Reid Select
$1.17 - $1.30 669 In stock
#10-32
Male
0.750 in
Phenolic
Reid Select
$1.68 - $1.87 618 In stock
3/8-16
Male
1.000 in
Phenolic
Reid Select
$3.19 - $5.02 148 In stock
1/2-13
Male
2.500 in
Phenolic
Reid Select
$1.42 - $1.42 Request the lead time here
3/8-16
1.750 in
Male
0.500 in
Nylon
1.500 in
Reid Select
$1.45 - $1.62 924 In stock
3/8-16
Male
1.000 in
Phenolic
Reid Select
$21.69 - $21.69 196 In stock
3/8-16
2.500 in
Male
3.000 in
Aluminum
4.125 in
Reid Select
$1.60 - $2.52 1 In stock
5/16-18
1.570 in
Female
0.550 in
Phenolic
1.060 in
Reid Select
$3.16 - $4.96 Request the lead time here
3/8-16
1.970 in
Female
0.550 in
Phenolic
1.260 in
Reid Select
$7.43 - $11.68 Request the lead time here
1/2-13
3.150 in
Female
0.750 in
Phenolic
1.970 in
Reid Select
$15.32 - $24.07 76 In stock
1/2-13
2.750 in
Female Thru Hole
1.187 in
Iron
1.188 in
Reid Select
$11.24 - $17.66 103 In stock
1/2-13
2.500 in
Female
1.000 in
Iron
1.438 in
Reid Select
  • of 17
Lobed Knob - ; ;

DK-705

Price Range
$5.43 - $4.88

Stock Levels
339 In stock
Attributes
  • Brand
    Reid Select
  • 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
82 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.500 in
  • Knob Material
    Phenolic
  • Material
    Stainless Steel
Lobed Knob - ; ;

DK-675

Price Range
$1.86 - $1.67

Stock Levels
303 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; 5/16-18; Brass

RST-78

Price Range
$3.66 - $2.33

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 2.480 in; 1/2-13; Brass

RST-96

Price Range
$4.86 - $3.09

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
    2.480 in
Lobed Knob - Female Thru Hole; 1.000 in; 1/4-20;

STT-2T

Price Range
$11.39 - $11.39

Stock Levels
333 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.875 in
  • Knob Material
    Aluminum
  • Overall Diameter
    1.000 in
Lobed Knob - Female Thru Hole; 2.500 in; 1/2-13;

STT-11T

Price Range
$25.04 - $25.04

Stock Levels
102 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; 1.125 in; 1/4-20; Cast Iron

TP-2A

Price Range
$7.93 - $7.93

Stock Levels
31 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/4-20
  • Thread Length
    0.380 in
  • Knob Material
    Iron
  • Overall Diameter
    1.125 in
Lobed Knob - Male; 2.500 in; 1/2-13;

AKA-8

Price Range
$33.84 - $33.84

Stock Levels
13 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    3.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
Lobed Knob - ; ;

DK-670

Price Range
$1.30 - $1.17

Stock Levels
669 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    #10-32
  • Thread Length
    0.750 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DK-690

Price Range
$1.87 - $1.68

Stock Levels
618 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - ; ;

DK-715

Price Range
$5.02 - $3.19

Stock Levels
148 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    2.500 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Male; 1.750 in; 3/8-16; Steel

DK-1199

Price Range
$1.42 - $1.42

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
    1.750 in
Lobed Knob - ; ;

DK-96

Price Range
$1.62 - $1.45

Stock Levels
924 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    1.000 in
  • Knob Material
    Phenolic
  • Material
    Steel
Lobed Knob - Male; 2.500 in; 3/8-16;

AKA-6

Price Range
$21.69 - $21.69

Stock Levels
196 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    3.000 in
  • Knob Material
    Aluminum
  • Overall Diameter
    2.500 in
Lobed Knob - Female; 1.570 in; 5/16-18; Brass

RST-77

Price Range
$2.52 - $1.60

Stock Levels
1 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    5/16-18
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.570 in
Lobed Knob - Female; 1.970 in; 3/8-16; Brass

RST-79

Price Range
$4.96 - $3.16

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Thread Size
    3/8-16
  • Thread Length
    0.550 in
  • Knob Material
    Phenolic
  • Overall Diameter
    1.970 in
Lobed Knob - Female; 3.150 in; 1/2-13; Brass

RST-97

Price Range
$11.68 - $7.43

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
    3.150 in
Lobed Knob - Female Thru Hole; 2.750 in; 1/2-13; Cast Iron

TC-3A

Price Range
$24.07 - $15.32

Stock Levels
76 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.187 in
  • Knob Material
    Iron
  • Overall Diameter
    2.750 in
Lobed Knob - Female; 2.500 in; 1/2-13; Cast Iron

TP-6B

Price Range
$17.66 - $11.24

Stock Levels
103 In stock
Attributes
  • Brand
    Reid Select
  • Thread Size
    1/2-13
  • Thread Length
    1.000 in
  • Knob Material
    Iron
  • Overall Diameter
    2.500 in