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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
$3.92 - $3.92 Request the lead time here
5/16-18
Fully Threaded
T-Slot Nuts
TE-CO
$7.09 - $7.09 27 In stock
M16
Safety-Stop Thread
Chamfered
AMF
$25.49 - $25.49 Request the lead time here
3/4-10
Safety-Stop Thread
Rotary
Valtra
$5.23 - $5.23 40 In stock
M12
Safety-Stop Thread
Chamfered
AMF
$5.77 - $5.77 512 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
$10.30 - $10.30 50 In stock
3/8-16
Safety-Stop Thread
T-Slot Nuts
Reid Select
$33.00 - $33.00 46 In stock
3/4-10
Safety-Stop Thread
T-Slot Nuts
Reid Select
$12.52 - $12.52 6 In stock
3/4-10
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
$5.23 - $5.23 67 In stock
5/16-18
Fully Threaded
T-Slot Nuts
TE-CO
$8.50 - $8.50 42 In stock
1/2-13
Fully Threaded
T-Slot Nuts
TE-CO
$34.20 - $34.20 81 In stock
3/4-10
Safety-Stop Thread
T-Slot Nuts
Reid Select
$12.50 - $12.50 156 In stock
10-32
Check Nut
Reid Select
$4.81 - $4.81 24 In stock
1/2-13
Machine Coupling Nuts
Reid Select
$3.35 - $3.35 Request the lead time here
M6x1.00
Machine Coupling Nuts
AMF
$4.95 - $4.95 120 In stock
5/16-18
Check Nut
Reid Select
$12.67 - $12.67 91 In stock
1/2-13
Check Nut
Reid Select
$9.06 - $9.06 86 In stock
1-8
Machine Coupling Nuts
Reid Select
  • of 5
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
    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
27 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=25.4 mm | 1.0000 in, Overall Length=41.3 mm | 1.6250 in, Overall Width=25.3 mm | 0.9950 in, Thread Size=3/4-10, 825777

RTN-175

Price Range
$25.49 - $25.49

Stock Levels
Request the lead time here
Attributes
  • Thread Size
    3/4-10
  • Type
    Rotary
  • Thread Type
    Safety-Stop Thread
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide
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=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=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=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
    T-Slot Nuts
  • 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
    T-Slot Nuts
  • 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
    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
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=5/16-18, 41471T

TN-18

Price Range
$5.23 - $5.23

Stock Levels
67 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=22.2 mm | 0.8750 in, Overall Length=30.2 mm | 1.1880 in, Overall Width=30.2 mm | 1.1880 in, Thread Size=1/2-13, 41479T

TN-22

Price Range
$8.50 - $8.50

Stock Levels
42 In stock
Attributes
  • Thread Size
    1/2-13
  • 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=44.5 mm | 1.7500 in, Overall Width=41.3 mm | 1.6250 in, Thread Size=3/4-10, TN-280

TN-280

Price Range
$34.20 - $34.20

Stock Levels
81 In stock
Attributes
  • Thread Size
    3/4-10
  • Type
    T-Slot Nuts
  • Thread Type
    Safety-Stop Thread
  • Material
    304 Stainless Steel
Check Nut; Base Diameter (Seed)=0.500 in, Overall Height (Seed)=0.219 in, Thread Size=10-32, VS-1

VS-1

Price Range
$12.50 - $12.50

Stock Levels
156 In stock
Attributes
  • Thread Size
    10-32
  • Type
    Check Nut
  • Material
    303 Stainless 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
24 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
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)=0.500 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
Check Nut; Base Diameter (Seed)=0.750 in, Overall Height (Seed)=0.375 in, Thread Size=1/2-13, VS-5

VS-5

Price Range
$12.67 - $12.67

Stock Levels
91 In stock
Attributes
  • Thread Size
    1/2-13
  • Type
    Check Nut
  • Material
    303 Stainless Steel
Machine Coupling Nut; Distance Across Flats (Seed)=1.500 in, Overall Length=63.5 mm | 2.500 in, Thread Size=1-8, CN-7

CN-7

Price Range
$9.06 - $9.06

Stock Levels
86 In stock
Attributes
  • Thread Size
    1-8
  • Type
    Machine Coupling Nuts
  • Material
    Cold-Finished/Case-Hardened Steel
  • Finish
    Black Oxide