Findmall 3 Boring head R8 Shank + 8pcs Indexable 3/4 Boring Bar Set TCMT

  
Body Diameter: 3" Boring bar Hole: 3/4" Cross Hole Dia: 1/2" Maximum Offset: 5/8" Mount Type: Threaded Threaded Mount Size: 1-1/2-18 Dial Reading: 0-100 Diameter Direct Reading: 0.001 Min Boring Diameter: 0.375" Max Boring Diameter: 5" Distance Between Hole Centers: 0.925 Center Distance bt 2 bottom hole: 5/8. Findmall 3" Boring head R8 Shank + 8pcs Indexable 3/4" Boring Bar Set TCMT. A micrometer lead screw provides 0.0001" direct reading accuracy and ease of adjusting Double bar holder permits a greater boring range with out an extreme offset condition 1 DIV = 0.001"ø??? 0.001" ø, meaning on the 0-50 dial, when turning the dial by 1 division/graduation, the boring head's travel is 0.001" in radius movement, 0.002 in diameter movement. When the direction of the dial is reversed, the backlash between the gear train is listed below.

Internal bore within H7 specification to give tight fitting with cutting's shank Nickel plate finished have a great advantage over black oxided finish 1 division is equaled to 0.0001 travel in diameter 10 division of backlash. 3" Boring head R8 Shank + 8pcs Indexable 3/4" Boring Bar Set. Center Distance bt 2 bottom hole. If there is any fault or problem with the product, please don't be shy to express it, we will solve it at the first time.