supply of hss hand and short machinehss hand and short machine,hss hand and short machine tap (coarse pitch) m 6 x 1 mm pitch (6h tolerance) is 6175 : 1992 part ii (make/brand of tap must be either addison, it, yg, guhring, walter, mitsubis hi, totem or hittco) [ warranty period: 30 months after the date of delivery ] ] , hss hand and short machine tap (coarse pitch) m 8 x 1.25 mm pitch (6h tolerance) is 6175 : 1992 part iii (make/brand of tap must be either addison, it, yg, guhring, w alter, mitsubishi, totem or hittco) [ warranty period: 30 months after the date of delivery ] ] , hss hand and short machine tap (coarse pitch) m 10 x 1.5 mm pitch (6h tolerance ) is 6175 : 1992 part ii (make/brand of tap must be either addison, it, yg, guhring, walter, mits ubishi, totem or hittco) [ warranty period: 30 months after the date of delivery ] ]