头有6种标准规格，根据需要插入不同的头使用，安装和拆卸便捷，使用灵活。装配头的内孔精度为0.003mm，头装配后的精度为0.005，优点是灵活多变，但刚性相对于整体式的较弱，适合多品种少批量加工。
051002 BNI-MT2BODY 2BNI BODY
051002 BNI-MT2H POINT 2BNI H POINT
051002 BNI-MT2K POINT 2BNI K POINT
051002 BNI-MT2M POINT 2BNI M POINT
051002 BNI-MT2I POINT 2BNI I POINT
051002 BNI-MT2J POINT 2BNI J POINT
051002 BNI-MT2L POINT 2BNI L POINT
051003 BNI-MT3BODY 3BNI BODY
051003 BNI-MT3H POINT 3BNI H POINT
051003 BNI-MT3K POINT 3BNI K POINT
051003 BNI-MT3M POINT 3BNI M POINT
051003 BNI-MT3I POINT 3BNI I POINT
051003 BNI-MT3J POINT 3BNI J POINT
051003 BNI-MT3L POINT 3BNI L POINT
051004 BNI-MT4BODY 4BNI BODY
051004 BNI-MT4H POINT 4BNI H POINT
051004 BNI-MT4K POINT 4BNI K POINT
051004 BNI-MT4M POINT 4BNI M POINT
051004 BNI-MT4I POINT 4BNI I POINT
051004 BNI-MT4J POINT 4BNI J POINT
051004 BNI-MT4L POINT 4BNI L POINT
051005 BNI-MT5BODY 5BNI BODY
051005 BNI-MT5H POINT 5BNI H POINT
051005 BNI-MT5K POINT 5BNI K POINT
051005 BNI-MT5M POINT 5BNI M POINT
051005 BNI-MT5I POINT 5BNI I POINT
051005 BNI-MT5J POINT 5BNI J POINT
051005 BNI-MT5L POINT 5BNI L POINT