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Tooling Nuts

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These check nuts are made of 303 stainless steel or low carbon steel, soft, with a black oxide finish. They can be used in conjunction with many other components such as knurled head screws, torque thumb screws, hand knob assemblies, toggle show clamp assemblies and many other tooling applications.

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99 results
Product SKUs information
Item Code Price range Availability Thread Size Special Offer Thread Type Type Brand View
$12.48 - $12.48 Request the lead time here
1/4-20
Check Nut
Reid Select
$4.46 - $4.46 27 In stock
5/8-11
Machine Coupling Nuts
Reid Select
$3.84 - $3.84 172 In stock
5/16-18
Machine Coupling Nuts
Reid Select
$4.81 - $4.81 243 In stock
1/2-13
Machine Coupling Nuts
Reid Select
$4.52 - $4.52 23 In stock
3/8-16
Check Nut
Reid Select
$3.84 - $3.84 57 In stock
1/4-20
Machine Coupling Nuts
Reid Select
$3.35 - $3.35 Request the lead time here
M6x1.00
Machine Coupling Nuts
AMF
$5.84 - $5.84 37 In stock
1/2-13
Check Nut
Reid Select
$3.92 - $3.92 16 In stock
5/16-18
Safety-Stop Thread
T-Slot Nuts
TE-CO
$36.19 - $36.19 10 In stock
1-8
Safety-Stop Thread
T-Slot Nuts
TE-CO
$5.23 - $5.23 115 In stock
3/8-16
Fully Threaded
T-Slot Nuts
TE-CO
$13.10 - $13.10 78 In stock
1/2-13
Safety-Stop Thread
T-Slot Nuts
Reid Select
$11.45 - $11.45 2 In stock
M16
Safety-Stop Thread
Chamfered
AMF
$5.77 - $5.77 511 In stock
1/4-20
Fully Threaded
T-Slot Nuts
TE-CO
$12.20 - $12.20 10 In stock
3/4-10
Safety-Stop Thread
T-Slot Nuts
TE-CO
$36.19 - $36.19 10 In stock
1-8
Fully Threaded
T-Slot Nuts
TE-CO
$6.86 - $6.86 10 In stock
5/8-11
Safety-Stop Thread
T-Slot Nuts
TE-CO
$14.04 - $14.04 286 In stock
3/4-10
Fully Threaded
T-Slot Nuts
TE-CO
$8.50 - $8.50 2050 In stock
5/16-18
Safety-Stop Thread
T-Slot Nuts
Reid Select
$16.80 - $16.80 238 In stock
5/8-11
Safety-Stop Thread
T-Slot Nuts
Reid Select
  • of 5
Check Nut; Base Diameter (Seed)=0.500 in, Overall Height (Seed)=0.219 in, Thread Size=1/4-20, VS-2

VS-2

Price Range
$12.48 - $12.48

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    1/4-20
  • Type
    Check Nut
  • Material
    303 Stainless Steel
  • Manufacturer Part Number
    VS-2
Machine Coupling Nut; Distance Across Flats (Seed)=1.063 in, Overall Length=27 mm | 1.062 in, Thread Size=5/8-11

CN-4

Price Range
$4.46 - $4.46

Stock Levels
27 In stock
Attributes
  • Thread Size
    5/8-11
  • Type
    Machine Coupling Nuts
  • Overall Length
    1.062 in
  • Distance Across Flats
    1.063 in
  • Material
    Cold-Finished/Case-Hardened Steel
Machine Coupling Nut; Distance Across Flats (Seed)=0.563 in, Overall Length=22.2 mm | .875 in, Thread Size=5/16-18

CN-1

Price Range
$3.84 - $3.84

Stock Levels
172 In stock
Attributes
  • Thread Size
    5/16-18
  • Type
    Machine Coupling Nuts
  • Overall Length
    .875 in
  • Distance Across Flats
    0.563 in
  • Material
    Cold-Finished/Case-Hardened Steel
Machine Coupling Nut; Distance Across Flats (Seed)=0.875 in, Overall Length=38.1 mm | 1.50 in, Thread Size=1/2-13

CN-3

Price Range
$4.81 - $4.81

Stock Levels
243 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Machine Coupling Nuts
  • Overall Length
    1.50 in
  • Distance Across Flats
    0.875 in
  • Material
    Cold-Finished/Case-Hardened Steel
Check Nut; Base Diameter (Seed)=0.500 in, Overall Height (Seed)=0.313 in, Thread Size=3/8-16, V-4

V-4

Price Range
$4.52 - $4.52

Stock Levels
23 In stock
Attributes
  • Thread Size
    3/8-16
  • Type
    Check Nut
  • Material
    Soft Low-Carbon Steel
  • Finish
    Black Oxide
  • Manufacturer Part Number
    T104CN BULK
Machine Coupling Nut; Distance Across Flats (Seed)=0.563 in, Overall Length=22.2 mm | .875 in, Thread Size=1/4-20, CN-0

CN-0

Price Range
$3.84 - $3.84

Stock Levels
57 In stock
Attributes
  • Thread Size
    1/4-20
  • Type
    Machine Coupling Nuts
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
  • Manufacturer Part Number
    HN-0
Machine Coupling Nut; Distance Across Flats (Seed)=11.5 mm, Overall Length=18.0 mm | 0.709 in, Thread Size=M6x1.00

CN-20

Price Range
$3.35 - $3.35

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    M6x1.00
  • Type
    Machine Coupling Nuts
  • Overall Length
    0.709 in
  • Distance Across Flats
    0.453 in
  • Material
    Tempered/Case-Hardened Steel
Check Nut; Base Diameter (Seed)=0.750 in, Overall Height (Seed)=0.375 in, Thread Size=1/2-13, V-5

V-5

Price Range
$5.84 - $5.84

Stock Levels
37 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Check Nut
  • Material
    Soft Low-Carbon Steel
  • Finish
    Black Oxide
  • Manufacturer Part Number
    T106CN BULK
T-Slot Nut; Overall Height=9.5 mm | 0.3750 in, Overall Length=22.2 mm | 0.8750 in, Overall Width=15.9 mm | 0.6250 in, Thread Size=5/16-18, 41403

TN-101

Price Range
$3.92 - $3.92

Stock Levels
16 In stock
Attributes
  • Thread Size
    5/16-18
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=38.1 mm | 1.5000 in, Overall Length=44.5 mm | 1.7500 in, Overall Width=44.5 mm | 1.7500 in, Thread Size=1-8, 41491

TN-117

Price Range
$36.19 - $36.19

Stock Levels
10 In stock
Attributes
  • Thread Size
    1-8
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=12.7 mm | 0.5000 in, Overall Length=25.4 mm | 1.0000 in, Overall Width=19.1 mm | 0.7500 in, Thread Size=3/8-16, 41472T

TN-2

Price Range
$5.23 - $5.23

Stock Levels
115 In stock
Attributes
  • Thread Size
    3/8-16
  • Type
    T-Slot Nuts
  • Thread Type
    Fully Threaded
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=19.1 mm | 0.7500 in, Overall Length=31.8 mm | 1.2500 in, Overall Width=22.2 mm | 0.8750 in, Thread Size=1/2-13, TN-225

TN-225

Price Range
$13.10 - $13.10

Stock Levels
78 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    304 Stainless Steel
  • Manufacturer Part Number
    TN-20SS
T-Slot Nut; Overall Height=28.0 mm | 1.102 in, Overall Length=35.0 mm | 1.378 in, Overall Width=35.0 mm | 1.378 in, Thread Size=M16, 155630

TN-53

Price Range
$11.45 - $11.45

Stock Levels
2 In stock
Attributes
  • Thread Size
    M16
  • Type
    Chamfered
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Pitch/TPI
    2.0 mm
T-Slot Nut; Overall Height=9.5 mm | 0.3750 in, Overall Length=22.2 mm | 0.8750 in, Overall Width=15.9 mm | 0.6250 in, Thread Size=1/4-20, 41470T

TN-0

Price Range
$5.77 - $5.77

Stock Levels
511 In stock
Attributes
  • Thread Size
    1/4-20
  • Type
    T-Slot Nuts
  • Thread Type
    Fully Threaded
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=25.4 mm | 1.0000 in, Overall Length=38.1 mm | 1.5000 in, Overall Width=34.9 mm | 1.3750 in, Thread Size=3/4-10, 41484

TN-108

Price Range
$12.20 - $12.20

Stock Levels
10 In stock
Attributes
  • Thread Size
    3/4-10
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=38.1 mm | 1.5000 in, Overall Length=44.5 mm | 1.7500 in, Overall Width=44.5 mm | 1.7500 in, Thread Size=1-8, 41491T

TN-17

Price Range
$36.19 - $36.19

Stock Levels
10 In stock
Attributes
  • Thread Size
    1-8
  • Type
    T-Slot Nuts
  • Thread Type
    Fully Threaded
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=19.1 mm | 0.7500 in, Overall Length=28.6 mm | 1.1250 in, Overall Width=28.6 mm | 1.1250 in, Thread Size=5/8-11, 41481

TN-106

Price Range
$6.86 - $6.86

Stock Levels
10 In stock
Attributes
  • Thread Size
    5/8-11
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=31.8 mm | 1.2500 in, Overall Length=38.1 mm | 1.5000 in, Overall Width=38.1 mm | 1.5000 in, Thread Size=3/4-10, 41487T

TN-15

Price Range
$14.04 - $14.04

Stock Levels
286 In stock
Attributes
  • Thread Size
    3/4-10
  • Type
    T-Slot Nuts
  • Thread Type
    Fully Threaded
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=9.5 mm | 0.3750 in, Overall Length=17.5 mm | 0.6875 in, Overall Width=17.5 mm | 0.6875 in, Thread Size=5/16-18, TN-205

TN-205

Price Range
$8.50 - $8.50

Stock Levels
2050 In stock
Attributes
  • Thread Size
    5/16-18
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    304 Stainless Steel
  • Manufacturer Part Number
    TN-00SS
T-Slot Nut; Overall Height=25.4 mm | 1.0000 in, Overall Length=38.1 mm | 1.5000 in, Overall Width=31.8 mm | 1.2500 in, Thread Size=5/8-11, TN-260

TN-260

Price Range
$16.80 - $16.80

Stock Levels
238 In stock
Attributes
  • Thread Size
    5/8-11
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    304 Stainless Steel
  • Manufacturer Part Number
    TN-3SS