Quick-Change Tap Extension Rod M2-M12 (ISO/JIS/DIN371/DIN376)

Description

The Quick-Change Tap Extension Rod M2-M12 (ISO/JIS/DIN371/DIN376) is part of NBD’s tapping tool holder line for CNC machining centers, tapping machines, drill presses and lathes, designed for extending taps for deep-hole tapping on quick-change chucks. Tapping range M1015775.590-M817886.290 with 25 catalogue models.

Model Naming

Row = tap size to be gripped (M2-M12); fits ISO / JIS / DIN371 / DIN376 tap shanks, 90 mm length.

Specification

ISO

Model	Tap (ISO)	d	W
M3	12	3.15	3.15	2.5	90
M4	12	4	4	3.15	90
M5	14	5	5	4	90
M6/8	15	6.3	6.3	5	90
M10	17	8	8	6.3	90
M12	18	9	9	7.1	90

JIS

Model	Tap (JIS)	Tap (INCH)	d	W
M3	12	4	4	3.2	90
M4	15	5	5	4	90
M5	15	5.5	5.5	4.5	90
M6	15	6	6	4.5	90
M10	15	7	7	5.5	90
M12	18	8.5	8.5	6.5	90

D371

Tap	D1	D	d	H	L
M2	12	2.8	2.8	2.1	90
M3	12	3.5	3.5	2.7	90
M4	14	4.5	4.5	3.4	90
M5/6	15	6	6	4.9	90
M8	17	8	8	6.2	90
M10	18	10	10	8	90

D376

Tap	D1	D	d	H	L
M4	12	2.8	2.8	2.1	90
M5	12	3.5	3.5	2.7	90
M6	14	4.5	4.5	3.4	90
M8	15	6	6	4.9	90
M10	16	7	7	5.5	90
M12	17	9	9	7	90
M12	18	8.5	8.5	6.5	90

All dimensions in mm. Custom sizes and other interfaces on request — send us your drawing for a fast quote.

NBD (Beijing Shuangfengli Technology Co., Ltd.) manufactures CNC tool holders, tapping chucks and workholding with short lead times and factory-direct support for worldwide distributors and end users.