drill bits & sets
h8828nw drill bushing h drill size 7 8 in
drill bushing bushing type head press fit h inside dia . 7 8 in outside dia . 1 3 8 in inside dia . tolerance .0002 .0006 in outside dia . tolerance 0.0022 0.0018 in concentricity tolerance .0005 in t.i.r. max overall length 1 3 4 in material 52100 thru hardened finish steel drill size 7 8 in hardness rc 62 64 br b features b ul li hardness rc 62 64 li li material 52100 thru hardened li li concentricity tolerance .0005 t.i.r. max li li bushing type head press fit li li inside dia . 7 8 li li drill size 7 8 li li overall length 1 3 4 li li item drill bushing li li inside dia . tolerance .0002 .0006 li li finish steel li li outside dia . 1 3 8 li li outside dia . tolerance 0.0022 0.0018 li ul