MANUFACTURING SPECIFICATION

Cutting Head Contours

Tubular Shank Dimensions

Hammond gundrill shanks are manufactured from high quality chrome molybdenum steel and are designed to achieve maximum coolant flow, chip clearance and torsional rigidity.

   Ø RANGE          Ø TUBE    Ø D RANGE          Ø TUBE    Ø D RANGE          Ø TUBE
3,00-3,14          2,83 6,50-6,99           6,23 13,90-14,89          13,40
3,15-3,39          2,98 7,00-7,29           6,74 14,90-15,89          14,40
3,40-3,64          3,23 7,30-7,59           7,04 15,90-16,89          15,30
3,65-3,87          3,48 7,60-7,94           7,34 16,90-17,89          16,20
3,88-3,99          3,68 7,95-8,34           7,64 17,90-18,89          17,20
4,00-4,19          3,80 8,35-8,54           8,04 18,90-19,89          18,20
4,20-4,44          4,03 8,55-8,94           8,24 19,90-20,89          19,20
4,45-4,74          4,25 8,95-9,34           8,64 20,90-21,89          20,20
4,75-4,97          4,55 9,35-9,94           9,04 21,90-22,89          21,20
4,98-5,24          4,78 9,95-10,64         9,64 22,90-23,89          22,20
5,25-5,49          5,03 10,65-10,94        10,34 23,90-24,89          23,20
5,50-5,74          5,28 10,95-11,94        10,60 24,90-26,89          24,20
5,75-5,94          5,53 11,95-12,54        11,60 26,90-28,89          26,20
5,95-6,29          5,73 12,55-12,94        12,20 28,90-30,89          28,20
6,30-6,49          6,04 12,95-13,89        12,60 30,90-33,00          30,20

Updated - 7 September 2011