BQLZR 7.75mm-8.5mm slitting Diameter Adjustable Hand Tool Milling slitter

Note: The color of the item may vary slightly due to photography and your own computer 
Feature: 
with a or more to slit holes machined surface of the thin metal layer rotary slitter. After working through the hole slitter can obtain precise size and shape. 
Scope of application: to ream the workpiece has been drilling (or bore) hole behind the processing, primarily in order to improve the machining precision of the hole, reducing the roughness of the surface, is finishing and semi-finishing for hole machining tool 
It is adjustable and move within tapered slots. 
To adjust these the  are moved within these slots by loosening the nut at the end and tightening the nut at the other. 
Movement permits the to be set to any desired diameter within the of the size adjustment. 
Adjustment feature allows to maintain a specific size by compensating for wear. 
Can be readjusted to expand and reground to the appropriate size and resharpened 
Only could use by hand, use on machine could damage. 
Maximum workpiece can not be more than 220 Brinell hardness. 
 
Safety instructions: 
1.Razor permanently enclosed in a cartridge or housing with less than 2mm of  exposed． 
2.The product is not use for people under 18 years. 
3.The item is only use for industrial slitting/engraving, not hazardous article. 
 
Specification: 
Color:Silver and Black 
Adjustment Scope: 7.75mm-8.5mm  
Environment: hand 
Dimension:108 x 7.6 mm/4.25 x 0.299"(L x Dia) 
Weight:22g 
 
 
Package Include: 
1 x Adjustable Hand Metal Hole slitting Tool