| abstract |
A kind of glof club head (10), including heel part (12), toe portion (14), socket (52) and impact surface (16).Beating pole face includes：Multiple crimping traces (18), each crimping trace (18) have the mean depth not less than about 0.10mm；Multiple microflutes (20), each microflute (20) have the mean depth no more than about 0.010mm；With multiple grain surface processing regions (22), multiple grain surface processing regions (22) are superimposed on microflute, so as to intersect at least in part with microflute. |