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NEW!
Thumb Nuts
A new line of thumb nuts with an internal female thread can be used alone or in conjunction with the existing thumbscrew line, creating a thumbscrew with a check nut. The knob portion of the Thumb Nut Series is in the round-knurled style with diameters matching existing product lines. Custom-made 2024 aluminum-threaded bushings are inserted into plastic knobs, creating a thumbscrew with internal threads. The Thumb Nuts are available in nine thread sizes from 4 - 40 to 5/16 - 24. The plastic knob currently comes in black with red, gray, and yellow to be available soon


   
Available in Black Color only at this time, please call for other colors.

When ordering please add color prefix to the fourth digit of the part number. Standard colors are Black, Red, Gray, And Yellow B=Black R=Red G=Gray and Y= Yellow. For example: Black= R973-F99B-0440-0.18C

Fits screw

A Dimension

B Dimension

C Dimension

 D

R973 + Part Number

#4-40

5/16

3/16

9/64

 9/32

wpe1F.jpg (705 bytes)F99-0440-0.18C

#6-32

3/8

7/32

11/64

 23/64

wpe1F.jpg (705 bytes)F00-0632-0.21C

#8-32

1/2

17/64

11/64

 25/64

wpe1F.jpg (705 bytes)F01-0832-0.26C

#10-24

5/8

19/64

11/64

 29/64

wpe1F.jpg (705 bytes)F02-1024-0.29C

#10-32

5/8

19/64

11/64

 29/64

wpe1F.jpg (705 bytes)F02-1032-0.29C

1/4-20

3/4

23/64

11/64

 17/32

wpe1F.jpg (705 bytes)F03-2520-0.35C

1/4-28

3/4

23/64

11/64

 17/32

wpe1F.jpg (705 bytes)F03-2528-0.35C

1/4-20

1.0

23/64

19/64

 9/16

wpe1F.jpg (705 bytes)F04-2520-0.35C

1/4-28

1.0

23/64

19/64

 9/16

wpe1F.jpg (705 bytes)F04-2528-0.35C

5/16-18

1.0

27/64

19/64

 41/64

wpe1F.jpg (705 bytes)F06-3118-0.42C

5/16-24

1.0

27/64

19/64

 41/64

wpe1F.jpg (705 bytes)F06-3124-0.42C

How to order: Please preface each Shear-Loc part number with 'R973-'
Example: R973-F99B-0440-0.18C

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click here for a 'request for quotation' form Use Our Secure Order Form click here for faxable order forms
Note: There is a 100 pc minimum order for Shear-Loc products.
Phones: (800) 638-1830 or (410) 358-3130 are available Monday-Friday 8:30 AM to 5:30 PM Eastern time.
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