VEVOR 4-in Rotary Tool Collet nut kit

The high grade 40Cr frame ensures better overall balance of toolholder assembly.

CAT40 holder accuracy in Tenth, 0.0002".

8pcs precision CAT 40 collet chucks are easy to use.

40Cr Durable Design: High precision CAT40 toolholder is integrated for a single piece construction; The high grade 40Cr frame ensures better overall balance of toolholder assembly; Durable and long-lasting; Polished body to be smooth and rust-proof;

0.0002" Great Accuracy: CAT40 holder accuracy in Tenth, 0.0002"; Hardened and ground to ensure maximum accuracy; High concentricity; Stable performance;

2.75" Gage Length: 8pcs precision CAT 40 collet chucks are easy to use; Gage or projection length of ER16 is 2.75" (70 mm); Decent quality at reasonable price;

ER16 High Performance: CAT40 toolholder set is high speed balanced to meet all industrial standard; High performance of 8000Rpm for CAT40 chuck working;

Effortless to Operate: Through spindle coolant capability from pull stud to collets, V-Flange CAT 40 is production balanced to high speed spindle turning and meet standard industrial needs; Ideal for CNC Lathe/milling, drill press, and heavy-duty hand tools;

Specification: Material: 40Cr; Quantity: 8 PCS; Gage Length: 2.75" / 70 mm; Accuracy in Tenth: 0.0002"; Type: CAT40 ER16; Speed: 8000 RPM; Weight: 8.66 kg / 19.09 lbs