ST1221JD-A標準直徑氣動工具專用刀具

  • 產品類別：航太工具 » NAS擴孔ST鑽頭
  • 產品標準：符合NAS波音航空維修技術標準刀具
  • 產品用途：當航空材料鑽孔完成後、需要用氣動工具做倒角擴孔、以便讓航空螺絲
    很精準與航空材料密切結合、不會產生風阻、減少航空事故。
  • 產品材質： in - HSS-CO4
ST1221JD-A HSS Co 4-8% Piloted 100° Countersink
Order Code UNITS Pilot
DIA.		 Body
DIA.		 Pilot
Length		 Total
Length		 Cutter
Path		 Body
Hole		 Threded
Shank		 Threded
Length		 THD.
Relief		 Locating
Angle		 Tip
Gash
Radian		 Axial
Rake		 Total
Length		 Type
Of
Shank		 Tip
Radial
Rake		 Primary
Clearance
Z A(in) B(in) C(in) F(in) Angle A in D(in) in Angle R Angle in (in) Angle Angle
ST1221JD-A-065 3 0.007 0.250 0.093 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-096 3 0.010 0.250 0.108 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-126 3 0.013 0.500 0.123 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-145 3 0.015 0.500 0.140 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-158 3 0.016 0.500 0.140 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-190 3 0.019 0.500 0.155 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-203 3 0.020 0.500 0.162 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-234 3 0.023 0.500 0.170 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-238 3 0.024 0.500 0.170 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-252 3 0.025 0.625 0.188 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-266 3 0.027 0.625 0.193 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-285 3 0.029 0.625 0.204 0.75 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-314 3 0.031 0.750 0.217 0.95 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-346 3 0.035 0.750 0.233 0.95 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-375 3 0.038 0.750 0.248 1.15 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°
ST1221JD-A-411 3 0.041 0.750 0.266 1.15 100° 0.13 1/4-28 0.312 0.03 120° 0.01 5° 0.375 0.3 4° 8°