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Besly Left Hand
Round Split Screw
Adjusting Dies

High Speed Steel

Left Hand


Machine Screw Sizes:
6 | 8 | 10 | 12

Fractional Sizes:
1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 |
5/8 | 11/16 | 3/4 | 7/8 | 1 | 1-1/8 |
1-1/4 | 1-3/8 | 1-1/2

Metric Sizes:
M4 | M5 | M6 | M7 | M8 | M10 |
M12 | M14 | M16 | M18 | M20 |
M24 | M30


Also available...

Standard Sizes: Catl No. 2901

Popular Specials: Catl No. 2901

Catalog Number: 2901LH

Besly Round Split Screw Adjusting DiesThese Besly left hand dies are used for threading bolts, studs, rods and other pieces requiring external threads. They are round disks of hardened steel which have a slot to allow for limited adjustment in cutting size. This adjustment may be made by a screw in the die itself.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

 
All dimensions are in inches.                 
  Besly Left Hand Round
 Split Screw Adjusting Die
s

Catl No. 2901LH
Machine Screw Sizes
  
 

 

   
Die Size
& TPI
Special
Features
Pkg
Qty*
EDP No Outside
Diameter
A

Thick
ness
B
6-32 Left hand   75508 1 3/8
6-40 Left hand   75509 1 3/8
8-32 Left hand   75511 1 3/8
8-36 Left hand   75512 1 3/8
10-24 Left hand   75514 1 3/8
10-32 Left hand   75515 1 3/8
12-24 Left hand   75520 1 3/8
12-28 Left hand   75521 1 3/8
 * No standard package quantity. Price depends on quantity ordered.
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All dimensions are in inches.                 
  Besly Left Hand Round
 Split Screw Adjusting Die
s

Catl No. 2901LH
Fractional Sizes
  
 

 

   
Die Size
& TPI
Special Features Pkg
Qty*
EDP No Outside
Diameter
A

Thick
ness
B
1/4-20 Left hand   75531 1 3/8
1/4-28 Left hand   75534 1 3/8
5/16-18 Left hand   75541 1 3/8
5/16-24 Left hand   75543 1 3/8
3/8-16 Left hand   75547 1 3/8
3/8-24 Left hand   75551 1 3/8
7/16-14 Left hand   75555 1-1/2 1/2
7/16-20 Left hand   75558 1-1/2 1/2
1/2-13 Left hand   75565 1-1/2 1/2
1/2-20 Left hand   75570 1-1/2 1/2
9/16-12 Left hand   75576 1-1/2 1/2
9/16-18 Left hand   75578 1-1/2 1/2
5/8-11 Left hand   75583 1-1/2 1/2
5/8-18 Left hand   75586 1-1/2 1/2
11/16-11 Left hand   75592 2 5/8
11/16-16 Left hand   75593 2 5/8
 * No standard package quantity. Price depends on quantity ordered.
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Die Size TPI Special Features Pkg
Qty*
EDP No Outside
Diameter
A

Thick
ness
B
3/4 10 Left hand   75598 2 5/8
3/4 16 Left hand   75601 2 5/8
7/8 9 Left hand   75611 2 5/8
7/8 14 Left hand   75613 2 5/8
1 8 Left hand   75626 2 5/8
1 12 Left hand   75629 2 5/8
1 14 Left hand   75631 2 5/8
1-1/8 7 Left hand   75644 2-1/2 3/4
1-1/8 12 Left hand   75647 2-1/2 3/4
1-1/4 7 Left hand   75656 2-1/2 3/4
1-1/4 12 Left hand   75659 2-1/2 3/4
1-3/8 6 Left hand   75669 2-1/2 3/4
1-3/8 12 Left hand   75672 2-1/2 3/4
1-1/2 6 Left hand   75677 2-1/2 3/4
1-1/2 12 Left hand   75680 2-1/2 3/4
 * No standard package quantity. Price depends on quantity ordered.
Go to the top of this page.
 
All dimensions are in inches.                 
  Besly Left Hand Round
 Split Screw Adjusting Die
s

Catl No. 2901LH
Metric Sizes
  
 

 

   
Die Size
& TPI
Special Features Pkg
Qty*
EDP No Outside
Diameter
A

Thick
ness
B
M4 x .7 Left hand   75759 20.6mm 6.35mm
M5 x .8 Left hand   75763 20.6mm 6.35mm
M6 x 1 Left hand   75765 25.4mm 9.5mm
M7 x 1 Left hand   75768 25.4mm 9.5mm
M8 x 1.25 Left hand   75770 25.4mm 9.5mm
M8 x 1 Left hand   75772 25.4mm 9.5mm
M10 x 1.5 Left hand   75774 25.4mm 9.5mm
M10 x 1.25 Left hand   75776 38.1mm 12.7mm
M12 x 1.75 Left hand   75780 38.1mm 12.7mm
M12 x 1.25 Left hand   75782 38.1mm 12.7mm
M14 x 2 Left hand   75819 38.1mm 12.7mm
M14 x 1.5 Left hand   75785 38.1mm 12.7mm
M16 x 2 Left hand   75788 38.1mm 12.7mm
M16 x 1.5 Left hand 75790 38.1mm 12.7mm
M18 x 2.5 Left hand   75792 38.1mm 12.7mm
M20 x 2.5 Left hand   75796 50.8mm 15.9mm
M20 x 1.5 Left hand   75798 50.8mm 15.9mm
M24 x 3 Left hand   75804 50.8mm 15.9mm
M24 x 2 Left hand   75806 50.8mm 15.9mm
M30 x 3.5 Left hand   75811 63.5mm 19.05mm
 * No standard package quantity. Price depends on quantity ordered.
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