9PCS 12mm Shank Boring Bar Hard Alloy Carbide Tipped High Accuracy Top Lathe Hole Milling Machine

9PCS boring bar set made of 40 Cr holder and alloy blade suitable for boring hole with durability and long service life.  

Features:
Suitable for boring hole. 
Durability and long service life. 
Shank diameter is 12mm. 
The holder made of 40Cr material, the blade made of alloy material. 
Fit for 2 inch 50mm boring tip. 
Can be used with 50mm MT3-M12 morse taper boring bar for lathe milling. 
9 Piece boring bar set features C-6 carbide for use in harder materials but also works in aluminum and other soft metals.  

Specifications:
Material of Holder:40Cr; 
Material Of Blade: alloy; 
Quantity: 9pcs; 
Shank Diameter: 12mm / 0.47in;  

1:
Length: 57.1mm / 2.2in; 
Bore Depth: 19mm / 0.7in; 
Min Bore: 7.9mm / 0.3in;  

2:
Length: 66.6mm / 2.6in; 
Bore Depth: 28.5mm / 1.1in; 
Min Bore: 7.9mm / 0.3in;  

3:
Length: 76.2mm / 3in; 
Bore Depth: 38.1mm / 1.5in; 
Min Bore: 7.9mm / 0.3in;  

4:
Length: 66.6mm / 2.6in; 
Bore Depth: 28.5mm / 1.1in; 
Min Bore: 11.1mm / 0.4in;  

5:
Length: 80.9mm / 3.19in; 
Bore Depth: 42.8mm / 1.7in; 
Min Bore: 11.1mm / 0.4in;  

6:
Length: 95.2mm / 3.7in; 
Bore Depth: 57.15mm / 2.25in; 
Min Bore: 11.1mm / 0.4in;  

7:
Length: 76.2mm / 3in; 
Bore Depth: 38.1mm / 1.5in; 
Min Bore: 13mm / 0.5in;  

8:
Length: 95.2mm / 3.7in; 
Bore Depth: 57.1mm / 2.2in; 
Min Bore: 13mm / 0.5in;  

9:
Length: 114.3mm / 4.5in; 
Bore Depth: 76.2mm / 3in; 
Min Bore: 13mm / 0.5in;  

Item Weight: 502g / 1.1lb; 
Package Weight: 548g / 1.2lb; 
Package Size: 125 * 80 * 75mm / 4.9 * 3.1 * 3.0in;  

Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
The measurement allowed error is +/- 0-30mm.  

Package List:
1 * One Set Of Boring Bar