SHOWA TOOL Co., Ltd.

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Ease of Use
Only 47–59 N·m is needed.

HPC10H (Long Type) : 59–78N·m
Clamping power same or better than a collet chuck.

Slim Design

Through-Coolant available


GUARANTEED UNDER 2µm RUN-OUT (AT 3×D). AA grade & G-type Repeatability : Test Bar Chucking ±0.5µm Standard series Max. 20,000min^-1 High speed series G-type Max. 30,000min^-1 Excellent Balance Within G1 at 10,000min^-1. (Every piece is balanced on a tool balancer) Chucking repeatability is within G0.1 at 10,000min^-1.

Clamping Power & Minimum lnserting Length of Cutter Shank.

Chuck size	Clamping Power	Tightening Force	Loosening Force	Chuck wrench length	Minimum lnserting Length of Cutter Shank
					W/O Through coolant	Thru-the-groove coolant	Thru-the-tool coolant
HPC03H	10–15 *(10–15)	235–295	235–295	200	15 *(15)	15 *(15)	-
HPC04H	15–20 *(15–20)
HPC06H	29–49 *(20–29)				23 *(23)	23–30 *( - )	- *(23)
HPC08H	39–59 *(24–35)				30 *(30)	30–0.5 *( - )	37 *(30)
HPC10H	59–78 *(35–47)
HPC12H	69–98 *(41–59)				35 *(35)	35–0.5 *( - )	40 *(35)