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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
$3.84 - $3.84 172 In stock
5/16-18
Machine Coupling Nuts
Reid Select
$26.73 - $26.73 118 In stock
3/4-10
Machine Coupling Nuts
Reid Select
$5.69 - $5.69 18 In stock
1/2-13
Check Nut
Reid Select
$14.50 - $14.50 359 In stock
1/2-13
Safety-Stop Thread
T-Slot Nuts
Reid Select
$5.77 - $5.77 512 In stock
1/4-20
Fully Threaded
T-Slot Nuts
TE-CO
$12.52 - $12.52 6 In stock
3/4-10
Fully Threaded
T-Slot Nuts
TE-CO
$7.09 - $7.09 19 In stock
M16
Safety-Stop Thread
Chamfered
AMF
$5.23 - $5.23 40 In stock
M12
Safety-Stop Thread
Chamfered
AMF
$4.53 - $4.53 86 In stock
M12
Safety-Stop Thread
Chamfered
AMF
$5.88 - $5.88 80 In stock
M12
Safety-Stop Thread
Chamfered
AMF
$36.19 - $36.19 10 In stock
1-8
Safety-Stop Thread
T-Slot Nuts
TE-CO
$6.76 - $6.76 11 In stock
1/2-13
Safety-Stop Thread
T-Slot Nuts
TE-CO
$5.55 - $5.55 30 In stock
3/8-16
Fully Threaded
T-Slot Nuts
TE-CO
$5.23 - $5.23 280 In stock
3/8-16
Fully Threaded
T-Slot Nuts
TE-CO
$10.13 - $10.13 19 In stock
M12
Safety-Stop Thread
Chamfered
AMF
$6.86 - $6.86 10 In stock
5/8-11
Safety-Stop Thread
T-Slot Nuts
TE-CO
$8.50 - $8.50 2050 In stock
5/16-18
Safety-Stop Thread
T-Slot Nuts
Reid Select
$9.70 - $9.70 269 In stock
5/8-11
Fully Threaded
T-Slot Nuts
TE-CO
$3.92 - $3.92 174 In stock
5/16-18
Fully Threaded
T-Slot Nuts
TE-CO
$10.89 - $10.89 10 In stock
5/8-11
Safety-Stop Thread
T-Slot Nuts
TE-CO
  • of 5
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)=1.250 in, Overall Length=31.8 mm | 1.250 in, Thread Size=3/4-10

CN-5

Price Range
$26.73 - $26.73

Stock Levels
118 In stock
Attributes
  • Thread Size
    3/4-10
  • Type
    Machine Coupling Nuts
  • Overall Length
    1.250 in
  • Distance Across Flats
    1.250 in
  • Material
    Cold-Finished/Case-Hardened Steel
Check Nut; Base Diameter (Seed)=1.00 in, Overall Height (Seed)=.44 in, Thread Size=1/2-13

KN-2

Price Range
$5.69 - $5.69

Stock Levels
18 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Check Nut
  • Base Diameter
    1.00 in
  • Material
    Case-Hardened Steel
  • Outside Diameter
    1.125 in
T-Slot Nut; Overall Height=19.1 mm | 0.7500 in, Overall Length=31.8 mm | 1.2500 in, Overall Width=25.4 mm | 1.000 in, Thread Size=1/2-13, TN-240

TN-240

Price Range
$14.50 - $14.50

Stock Levels
359 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-22SS
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
512 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=38.1 mm | 1.5000 in, Thread Size=3/4-10, 41485T

TN-9

Price Range
$12.52 - $12.52

Stock Levels
6 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=20.0 mm | 0.787 in, Overall Length=28.0 mm | 1.102 in, Overall Width=28.0 mm | 1.102 in, Thread Size=M16, 80069

TN-40

Price Range
$7.09 - $7.09

Stock Levels
19 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=18.0 mm | 0.709 in, Overall Length=25.0 mm | 0.984 in, Overall Width=25.0 mm | 0.984 in, Thread Size=M12, 80168

TN-50

Price Range
$5.23 - $5.23

Stock Levels
40 In stock
Attributes
  • Thread Size
    M12
  • Type
    Chamfered
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Pitch/TPI
    1.8 mm
T-Slot Nut; Overall Height=16.0 mm | 0.63 in, Overall Length=22.0 mm | 0.866 in, Overall Width=22.0 mm | 0.866 in, Thread Size=M12, 80044

TN-32

Price Range
$4.53 - $4.53

Stock Levels
86 In stock
Attributes
  • Thread Size
    M12
  • Type
    Chamfered
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Pitch/TPI
    1.8 mm
T-Slot Nut; Overall Height=16.0 mm | 0.63 in, Overall Length=44.0 mm | 1.732 in, Overall Width=22.0 mm | 0.866 in, Thread Size=M12, 84681

TN-58

Price Range
$5.88 - $5.88

Stock Levels
80 In stock
Attributes
  • Thread Size
    M12
  • Type
    Chamfered
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Pitch/TPI
    1.8 mm
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=19.1 mm | 0.7500 in, Overall Length=28.6 mm | 1.1250 in, Overall Width=28.6 mm | 1.1250 in, Thread Size=1/2-13, 41480

TN-116

Price Range
$6.76 - $6.76

Stock Levels
11 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=15.9 mm | 0.6250 in, Overall Length=25.4 mm | 1.0000 in, Overall Width=22.2 mm | 0.8750 in, Thread Size=3/8-16, 41474T

TN-19

Price Range
$5.55 - $5.55

Stock Levels
30 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=12.7 mm | 0.5000 in, Overall Length=25.4 mm | 1.0000 in, Overall Width=22.2 mm | 0.8750 in, Thread Size=3/8-16, 41473T

TN-3

Price Range
$5.23 - $5.23

Stock Levels
280 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=20.0 mm | 0.787 in, Overall Length=28.0 mm | 1.102 in, Overall Width=28.0 mm | 1.102 in, Thread Size=M12, 158907

TN-51

Price Range
$10.13 - $10.13

Stock Levels
19 In stock
Attributes
  • Thread Size
    M12
  • Type
    Chamfered
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Pitch/TPI
    1.8 mm
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=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=19.1 mm | 0.7500 in, Overall Length=28.6 mm | 1.1250 in, Overall Width=31.8 mm | 1.2500 in, Thread Size=5/8-11, 41482T

TN-7

Price Range
$9.70 - $9.70

Stock Levels
269 In stock
Attributes
  • Thread Size
    5/8-11
  • 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=22.2 mm | 0.8750 in, Overall Width=15.9 mm | 0.6250 in, Thread Size=5/16-18, 41403T

TN-1

Price Range
$3.92 - $3.92

Stock Levels
174 In stock
Attributes
  • Thread Size
    5/16-18
  • 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=5/8-11, 41483

TN-114

Price Range
$10.89 - $10.89

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