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12" HSS Extension Drill Bits
  • NAS 907, type J
  • 135° split point is self centering and reduces heat
  • ideal for drilling in tough, high tensile strength materials, where extra length for reach is required
Quantity Product Options Price
#40678-12" HSS extension drill bit, #40 (.0980") $3.88
#40679-12" HSS extension drill bit, 1/8" (.1250") $3.54
#40680-12" HSS extension drill bit, #30 (.1285") $3.88
#40681-12" HSS extension drill bit, #27 (.1440") $4.25
#40682-12" HSS extension drill bit, 5/32" (.1562") $3.42
#40683-12" HSS extension drill bit, #21 (.1590") $3.88
#40684-12" HSS extension drill bit, #20 (.1610") $3.95
#40685-12" HSS extension drill bit, #19 (.1660") $4.44
#40686-12" HSS extension drill bit, #16 (.1770") $4.64
#40687-12" HSS extension drill bit, #13 (.1850") $4.12
#40688-12" HSS extension drill bit, 3/16" (.1875") $3.81
#40689-12" HSS extension drill bit, #12 (.1890") $4.51
#40690-12" HSS extension drill bit, #11 (.1910") $4.31
#40691-12" HSS extension drill bit, #10 (.1935") $4.28
#40692-12" HSS extension drill bit, #8 (.1990") $5.21
#40693-12" HSS extension drill bit, 1/4" (.2500") $4.28
#40694-12" HSS extension drill bit, 5/16" (.3125") $7.20