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Tooling Nuts

In stock

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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81 results
Product SKUs information
Item Code Price range Availability Thread Size Special Offer Thread Type Type Brand View
$9.67 - $9.67 Request the lead time here
5/16-18
Check Nut
Reid Select
$3.35 - $3.35 Request the lead time here
M6x1.00
Machine Coupling Nuts
AMF
$26.73 - $26.73 118 In stock
3/4-10
Machine Coupling Nuts
Reid Select
$5.18 - $5.18 40 In stock
3/8-16
Check Nut
Reid Select
$5.84 - $5.84 42 In stock
1/2-13
Check Nut
Reid Select
$3.84 - $3.84 172 In stock
5/16-18
Machine Coupling Nuts
Reid Select
$8.86 - $8.86 95 In stock
7/8-9
Machine Coupling Nuts
Reid Select
$4.52 - $4.52 76 In stock
3/8-16
Check Nut
Reid Select
$3.84 - $3.84 57 In stock
1/4-20
Machine Coupling Nuts
Reid Select
$4.95 - $4.95 120 In stock
5/16-18
Check Nut
Reid Select
$3.92 - $3.92 Request the lead time here
5/16-18
Fully Threaded
Standard
TE-CO
$6.76 - $6.76 11 In stock
1/2-13
Safety-Stop Thread
Standard
TE-CO
$5.77 - $5.77 326 In stock
1/4-20
Fully Threaded
Standard
TE-CO
$36.19 - $36.19 10 In stock
1-8
Fully Threaded
Standard
TE-CO
$10.30 - $10.30 50 In stock
3/8-16
Safety-Stop Thread
Standard
Reid Select
$33.00 - $33.00 46 In stock
3/4-10
Safety-Stop Thread
Standard
Reid Select
$12.52 - $12.52 6 In stock
3/4-10
Fully Threaded
Standard
TE-CO
$9.70 - $9.70 10 In stock
5/8-11
Safety-Stop Thread
Standard
TE-CO
$6.76 - $6.76 18 In stock
1/2-13
Fully Threaded
Standard
TE-CO
$36.19 - $36.19 10 In stock
1-8
Safety-Stop Thread
Standard
TE-CO
  • of 5
Check Nut; Base Diameter (Seed)=0.500 in, Overall Height (Seed)=0.313 in, Thread Size=5/16-18, VS-3

VS-3

Price Range
$9.67 - $9.67

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    5/16-18
  • Type
    Check Nut
  • Material
    303 Stainless Steel
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
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=3/8-16

KN-1

Price Range
$5.18 - $5.18

Stock Levels
40 In stock
Attributes
  • Thread Size
    3/8-16
  • Type
    Check Nut
  • Base Diameter
    1.00 in
  • Material
    Case-Hardened Steel
  • Outside Diameter
    1.125 in
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
42 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Check Nut
  • Material
    Soft Low-Carbon Steel
  • Finish
    Black Oxide
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)=1.375 in, Overall Length=34.9 mm | 1.375 in, Thread Size=7/8-9

CN-6

Price Range
$8.86 - $8.86

Stock Levels
95 In stock
Attributes
  • Thread Size
    7/8-9
  • Type
    Machine Coupling Nuts
  • Overall Length
    1.375 in
  • Distance Across Flats
    1.375 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
76 In stock
Attributes
  • Thread Size
    3/8-16
  • Type
    Check Nut
  • Material
    Soft Low-Carbon Steel
  • Finish
    Black Oxide
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
Check Nut; Base Diameter (Seed)=0.500 in, Overall Height (Seed)=0.313 in, Thread Size=5/16-18, V-3

V-3

Price Range
$4.95 - $4.95

Stock Levels
120 In stock
Attributes
  • Thread Size
    5/16-18
  • Type
    Check Nut
  • Material
    Soft Low-Carbon 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
Request the lead time here
Attributes
  • Thread Size
    5/16-18
  • Type
    Standard
  • 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=1/2-13, 41480

TN-116

Price Range
$6.76 - $6.76

Stock Levels
11 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Standard
  • 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=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
326 In stock
Attributes
  • Thread Size
    1/4-20
  • Type
    Standard
  • Thread Type
    Fully Threaded
  • 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
    Standard
  • Thread Type
    Fully Threaded
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
T-Slot Nut; Overall Height=15.9 mm | 0.6250 in, Overall Length=22.2 mm | 0.8750 in, Overall Width=22.2 mm | 0.8750 in, Thread Size=3/8-16, TN-215

TN-215

Price Range
$10.30 - $10.30

Stock Levels
50 In stock
Attributes
  • Thread Size
    3/8-16
  • Type
    Standard
  • Thread Type
    Safety-Stop Thread
  • Material
    304 Stainless Steel
T-Slot Nut; Overall Height=34.9 mm | 1.3750 in, Overall Length=44.5 mm | 1.7500 in, Overall Width=34.9 mm | 1.3750 in, Thread Size=3/4-10, TN-270

TN-270

Price Range
$33.00 - $33.00

Stock Levels
46 In stock
Attributes
  • Thread Size
    3/4-10
  • Type
    Standard
  • Thread Type
    Safety-Stop Thread
  • Material
    304 Stainless Steel
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
    Standard
  • 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=31.8 mm | 1.2500 in, Thread Size=5/8-11, 41482

TN-107

Price Range
$9.70 - $9.70

Stock Levels
10 In stock
Attributes
  • Thread Size
    5/8-11
  • Type
    Standard
  • 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, 41480T

TN-16

Price Range
$6.76 - $6.76

Stock Levels
18 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Standard
  • Thread Type
    Fully Threaded
  • 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
    Standard
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide