ST

ST1221JD-4標準直徑氣動工具專用刀具

ST Drill (ST1221JD-4 Standard)

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刀具-航太專用ST1221JD-4標準直徑氣動工具專用刀具
  • 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
unit:in
ST1221JD-4 HSS Co 4-8% Piloted 100° Countersink
Order Code Flute Pilot
DIA.
Body
DIA.
Pilot
Length
Body
Length
Cutter
Path
Threaded
Shank
Threaded
Length
Locating
Angle
Tip
Gash
Radian
Z A B C F α1 THD D α2 R
ST1221JD-4-158 3 0.1580 0.375 0.118 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-160 3 0.1600 0.375 0.118 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-162 3 0.01620 0.375 0.118 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-184 3 0.1840 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-186 3 0.1860 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-188 3 0.1880 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-197 3 0.1970 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-199 3 0.1990 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-201 3 0.2010 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-213 3 0.2130 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-215 3 0.2150 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-217 3 0.2170 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-229 3 0.2290 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-231 3 0.2310 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-232 3 0.2320 0.500 0.141 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-244 3 0.2440 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-246 3 0.2460 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-248 3 0.2480 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-260 3 0.2600 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-262 3 0.2620 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-264 3 0.2640 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-275 3 0.2750 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-277 3 0.2770 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-279 3 0.2790 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-291 3 0.2910 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-293 3 0.2930 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-295 3 0.0295 0.625 0.181 0.75 100° 1/4-28 0.312 120° 0.035
ST1221JD-4-306 3 0.3060 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-308 3 0.3080 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-311 3 0.3110 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-322 3 0.3220 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-324 3 0.3240 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-326 3 0.3260 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-338 3 0.3380 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-340 3 0.3400 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-342 3 0.3420 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-354 3 0.3540 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-356 3 0.3560 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-358 3 0.3580 0.750 0.232 0.75 100° 1/4-28 0.312 120° 0.045
ST1221JD-4-368 3 0.3680 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-370 3 0.3700 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-373 3 0.3730 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-385 3 0.3850 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-387 3 0.3870 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-389 3 0.3890 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-400 3 0.4000 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-402 3 0.4020 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-404 3 0.4040 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-416 3 0.4160 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-418 3 0.4180 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-420 3 0.4200 0.875 0.274 1.15 100° 1/4-28 0.437 120° 0.045
ST1221JD-4-431 3 0.4310 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-433 3 0.4330 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-436 3 0.4360 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-446 3 0.4460 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-449 3 0.4490 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-451 3 0.4510 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-463 3 0.4630 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-465 3 0.4650 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-467 3 0.4670 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-481 3 0.4810 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-483 3 0.4830 1.000 0.325 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-494 3 0.4940 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-495 3 0.4950 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-498 3 0.4980 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-510 3 0.5100 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-512 3 0.5120 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-514 3 0.5140 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-526 3 0.5260 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-527 3 0.5270 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-529 3 0.5290 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-543 3 0.5430 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-545 3 0.5450 1.125 0.366 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-556 3 0.5560 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-558 3 0.5580 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-561 3 0.5610 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-572 3 0.5720 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-574 3 0.5740 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-576 3 0.5760 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-587 3 0.5870 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-590 3 0.5900 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-592 3 0.5920 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-605 3 0.6050 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-607 3 0.6070 1.250 0.417 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-618 3 0.6180 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-620 3 0.6200 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-623 3 0.6230 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-634 3 0.6340 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-636 3 0.6360 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-639 3 0.6390 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-650 3 0.6500 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-652 3 0.6520 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-654 3 0.6540 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-668 3 0.6680 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-670 3 0.0670 1.375 0.458 1.15 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-743 3 0.7430 1.750 0.551 1.25 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-745 3 0.7450 1.750 0.551 1.25 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-748 3 0.7480 1.750 0.551 1.25 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-759 3 0.7590 1.750 0.551 1.25 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-775 3 0.7750 1.750 0.551 1.25 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-873 3 0.8730 1.750 0.551 1.25 100° 1/4-28 0.437 120° 0.055
ST1221JD-4-998 3 0.9980 1.750 0.625 1.25 100° 1/4-28 0.500 120° 0.055
unit:inch
ST1221JD-4 HSS Co 4-8% Piloted 100° Countersink
Axial Rake Angle
Tip Radial Rake Angle
Prinary Clearance Angle
Tip Gash Radian 0.03
Body Hole 0.13