[STRONG WEAR ]: Made of 20CrMnTi steel material with high hardness and wear for long-lasting durability
[HIGH CONCENTRICITY]: Integrally formed inside and outside for stable performance and precise concentricity
[INNER HOLE GROUND TREATMENT]: Ground inner hole for high precision machining and extended lifespan compared to regular tool holders
[STRONGER FATIGUE ]: Carburizing and quenching process for enhanced hardness and fatigue , ensuring durability
[1-7MM CLAMPING RANGE]: Clamping range of 1-7mm with accuracy 0.005mm, suitable for fast operations at 10000rpm speed

Spec:
Item Type: CNC Tool Holder
Product Material: 20CrMnTi + carbon steel
Product Model: BT40-ER11A-70
Tool Handle Taper: 7: 24
Chuck Specification: ER11
Clamping Range: Approx. 1 ~ 7mm / 0.04 ~ 0.28in
Tool Handle Working Length: Approx. 70mm / 2.76in
Accuracy: 0.005mm
Hardness: >HRC56°
Speed: 10000rpm
Rough : 0.8mm

Package List：
1 Holder
1 x Wrench
1 x Storage Box

Note：
Please select according to the installation specifications.