沉头孔

沉头孔 INCH STANDARD COUNTERBORE REV. F 06/02/2005 H' H D' d' D d CAP HEAD CAP HEAD SOCKET CLEARANCE SCREW SCREW CLEARANCE C'BORE C'BORE C'BORE SCREW SIZE DIA. DIA. HEIGHT SIZE DIA. DIA. DIA. DIA. DEPTH SIZE d (MAX) (MAX) (CLOSE) (CLOSE) (FREE) (FREE) H' D H d' D' d' D' # 2 0.086 0.140 0.086 5/64 3/32 0.094 0.156 #36 0.107 0.161 0.105 # 2 # 4 0.112 0.183 0.112 3/32 1/8 0.125 0.204 #27 0.144 0.220 0.135 # 4 # 6 0.138 0.226 0.138 7/64 #23 0.154 0.246 #18 0.170 0.262 0.165 # 6 # 8 0.164 0.270 0.164 9/64 #15 0.180 0.290 #10 0.194 0.306 0.190 # 8 # 10 0.190 0.313 0.190 5/32 #5 0.206 0.332 #2 0.221 0.348 0.215 # 10 1/4 0.250 0.375 0.250 3/16 17/64 0.266 0.400 9/32 0.281 0.416 0.275 1/4 5/16 0.313 0.469 0.313 1/4 21/64 0.328 0.493 11/32 0.344 0.509 0.340 5/16 3/8 0.375 0.563 0.375 0.391 0.590 0.406 0.606 0.405 3/8 5/16 25/64 13/32 7/16 0.438 0.656 0.438 3/8 29/64 0.453 0.681 15/32 0.469 0.697 0.470 7/16 1/2 0.500 0.750 0.500 33/64 0.516 0.775 17/32 0.531 0.791 0.535 1/2 3/8 5/8 0.625 0.938 0.625 1/2 41/64 0.641 0.963 21/32 0.656 1.000 0.665 5/8 3/4 0.750 1.125 0.750 5/8 49/64 0.766 1.151 25/32 0.781 1.171 0.790 3/4 7/8 0.875 1.313 0.875 3/4 57/64 0.891 1.340 29/32 0.906 1.359 0.915 7/8 3/4 1 1.000 1.500 1.000 1-1/64 1.016 1.528 1-1/32 1.031 1.546 1.045 1 TOLERANCES +/- FREE CLOSE CLEARANCE DIAMETER 0.005 0.005 COUNTERBORE DIAMETER 0.010 0.005 COUNTERBORE DEPTH 0.010 0.010 FREE SHOULD BE USED UNLESS CLOSE IS REQUIRED Printed copies of Electroimpact standards are for reference only and are not subject to revision control. BOLT TORQUE Rev B 12/9/03 "DRY" BOLT TIGHTENING TORQUE "DRY" IS LIGHT MACHINE OIL, GENERALLY AS DELIVERED IN THE BOX USE "LUBRICATED" VALUES FOR WET LOCKTITE COVERED BOLTS GRADE 12.9 GRADE 10.9 GRADE 8.8 N-M FT-LBS N-M FT-LBS N-M FT-LBS 4.6 3.358 2.7 1.971 M4 M4 M4 9.5 5.5 M5 6.935 M5 4.015 M5 16 13 9.5 6.9 M6 M6 M6 11.7 9.5 39 28.5 32 23.4 23 16.8 M8 M8 M8 77 56.2 64 46 33.6 M10 M10 M10 46.7 135 98.6 110 80 58.4 M12 M12 80.3 M12 240.9 195 142.4 M16 330 M16 275 M16 200.8 481.8 390 284.7 M20 660 M20 550 M20 401.5 830 520 M24 M24 M24 715 1130 900 660 1660 1330 1040 M30 M30 M30 1415 2250 1800 "LUBRICATED" BOLT TIGHTENING TORQUE "LUBRICATED" IS ANTISIEZE OF SIMILAR USE FOR WET LOCKTITE COVERED BOLTS GRADE 12.9 GRADE 10.9 GRADE 8.8 N-M FT-LBS N-M FT-LBS N-M FT-LBS 3.68 2.6864 2.16 1.5768 M4 M4 M4 M5 M5 M5 7.6 5.548 4.4 3.212 12.8 7.6 5.5 M6 M6 M6 9.3 10.4 7.6 22.8 18.7 M8 31.2 M8 M8 18.4 13.4 25.6 M10 45.0 M10 37.4 M10 61.6 36.8 26.9 51.2 78.8 64.2 M12 M12 M12 64 108 46.7 88 192.7 220 160.6 156 M16 M16 M16 264 113.9 385.4 440 321.2 312 M20 M20 M20 528 227.8 664 528 M24 M24 720 M24 572 416 904 M30 1328 M30 1064 M30 832 1440 1132 1800 NOTES: METRIC SCREW CLASS IS INDICATED ON THE HEAD OF THE FASTENER OR ON THE BOX DEPENDING ON FASTENER SIZE -- 12.9, 10.9 OR 8.8 -- BLACK SOCKET HEAD CAP SCREWS ARE GENERALLY GRADE 12.9 -- BLACK BUTTON HEAD, HEX HEAD AND COUNTERSINK (FLAT HEAD) BOLTS ARE GENERALLY 10.9 -- NON-BLACK FASTENERS (ZINC, SS OR CHROMATE) ARE GENERALLY LOWER GRADE. Printed copies of Electroimpact standards are for reference only and are not subject to revision control. WRENCH FLATS REV. C 9/1/04 METRIC NOMINAL MAX. MIN. MAX. MIN. SAE MM MM MM IN IN 4 3.95 3.75 0.156 0.148 5 4.95 4.75 0.195 0.187 6 5.95 5.75 0.234 0.226 8 7.95 7.75 0.313 0.305 9 8.95 8.80 0.352 0.346 10 9.90 9.75 NOMINAL MAX. MIN. 0.390 0.384 10.90 10.75 11 3/8 0.378 0.372 0.429 0.423 7/16 12 11.85 11.70 0.440 0.434 0.467 0.461 1/2 13 12.85 12.65 0.504 0.498 0.506 0.498 9/16 0.566 0.559 14 13.85 13.65 0.545 0.537 5/8 0.629 0.621 15 14.85 14.65 0.585 0.577 11/16 16 15.90 15.70 0.692 0.684 0.626 0.618 3/4 17 16.90 16.70 0.755 0.745 0.665 0.657 13/16 0.818 0.808 18 17.90 17.70 0.705 0.697 7/8 19 18.90 18.70 0.880 0.870 0.744 0.736 15/16 20 19.80 19.60 0.944 0.932 0.780 0.772 1 21 20.80 20.55 0.819 0.809 1.006 0.992 22 21.80 21.55 0.858 0.848 23 22.80 22.50 0.898 0.886 24 23.80 23.50 0.937 0.925 25 24.80 24.45 0.976 0.963 26 25.80 25.45 1.016 1.002 Metric notes: Metric tools are generally close to the nominal dimension +/- a tolerance, Metric wrench flats on parts must be made under the nominal size. Printed copies of Electroimpact standards are for reference only and are not subject to revision control. METRIC COUNTERSINK REV. H 06/02/2005 H D' d' 90? D SCREW SCREW FLAT HEAD FLAT HEAD SOCKET COUNTERSINK CLEARANCE SCREW SIZE DIA. DIA. HEIGHT SIZE DIAMETER DIA. d' SIZE d D (max) H (max) CLOSE D' in in in in in mm mm mm mm M 2 M 2 0.079 0.165 0.043 1.3 mm 0.185 0.087 4.2 1.1 4.7 2.2 M 2.5 5.2 5.8 2.7 M 2.5 0.098 0.207 0.054 1.5 mm 0.227 0.106 1.4 6.4 6.9 3.5 M 3 M 3 0.118 0.252 0.067 2 mm 0.272 0.138 1.7 M 4 8.6 2.5 mm 9.4 4.5 M 4 0.157 0.339 0.091 0.369 0.177 2.3 M 5 10.6 11.6 5.5 M 5 3 mm 0.197 0.417 0.110 0.457 0.217 2.8 M 6 4 mm 6.50 M 6 12.6 13.9 0.236 0.496 0.130 0.546 0.256 3.3 M 8 5 mm M 8 8.5 16.8 18.3 0.315 0.661 0.173 0.721 0.335 4.4 M 10 6 mm 10.5 M 10 21.0 22.8 0.394 0.827 0.217 0.897 0.413 5.5 8 mm M 12 12.5 M 12 25.0 27.0 0.472 0.984 0.256 1.064 0.492 6.5 10 mm M 14 14.5 M 14 28.0 30.4 0.551 1.102 0.276 1.197 0.571 7.0 COUNTERSINK DIAMETERS ARE BASED ON THE THEORETICAL MAXIMUM HEAD DIAMETER AT A DEPTH OF .005 TO .015 AND AN ANGLE OF 90 DEGREES. ACTUAL DEPTH MAY VARY DEPENDING ON ACTUAL HEAD DIAMETER AND ANGLE COUNTERSINK DIAMETER TOLERANCES ARE +/- .010 COUNTERSINK ANGLE TOLERANCES ARE +/- 2 DEGREES THREAD PITCHES SHOULD ALWAYS BE SPECIFIED, BUT WHEN METRIC THREADS ARE SPECIFIED WITHOUT A PITCH, THE FOLLOWING PITCHES ARE TO BE USED: M 2 X.80 X .40 M 5 M 12 X 1.75 M 24 X 3.0 M 2.5 X 1.0 X .45 M 6 M 14 X 2.0 M 30 X 3.5 M 3 X 1.25 X .50 M 8 M 16 X 2.0 M 4 X 1.5 X .70 M 10 M 20 X 2.5 Printed copies of Electroimpact standards are for reference only and are not subject to revision control. INCH STANDARD COUNTERSINK REV. E 06/02/2005 H D' D 82? d' SCREW SCREW FLAT HEAD FLAT HEAD SOCKET C'SINK CLEARANCE SCREW SIZE DIA. DIA. HEIGHT SIZE DIA. DIA. d' SIZE d D (max) H (max) CLOSE D' 3/32 0.094 # 2 0.086 0.197 0.064 0.050 0.214 # 2 1/8 0.125 # 4 0.112 0.255 0.083 1/16 0.272 # 4 6 6 #23 0.154 # 0.138 0.307 0.097 5/64 0.324 # 8 #15 8 0.180 # 0.164 0.359 0.112 3/32 0.376 # 10 #5 10 0.206 # 0.190 0.411 0.127 1/8 0.428 # 5/32 17/64 1/4 1/4 0.266 0.250 0.531 0.161 0.548 3/16 21/64 5/16 5/16 0.328 0.313 0.656 0.198 0.673 7/32 25/64 3/8 3/8 0.391 0.375 0.781 0.234 0.798 1/4 29/64 7/16 7/16 0.453 0.438 0.844 0.234 0.861 5/16 33/64 1/2 1/2 0.516 0.500 0.938 0.251 0.955 3/8 41/64 5/8 5/8 0.641 0.625 1.188 0.324 1.205 1/2 49/64 3/4 3/4 0.766 0.750 1.438 0.396 1.455 9/16 57/64 7/8 7/8 0.891 0.875 1.688 0.468 1.705 5/8 1-1/64 1 1 1.016 1.000 1.938 0.540 1.955 COUNTERSINK DIAMETERS ARE BASED ON THE THEORETICAL MAXIMUM HEAD DIAMETER AT A DEPTH OF .005 TO .015 AND AN ANGLE OF 82 DEGREES. ACTUAL DEPTH MAY VARY DEPENDING ON ACTUAL HEAD DIAMETER AND ANGLE COUNTERSINK DIAMETER TOLERANCES ARE +/- .010 COUNTERSINK ANGLE TOLERANCES ARE +/- 2 DEGREES FREE SHOULD BE USED UNLESS CLOSE IS REQUIRED Printed copies of Electroimpact standards are for reference only and are not subject to revision control. METRIC COUNTERBORE REV. H 06/02/2005 ' D' d' D d SCREW SCREW CAP HEAD CAP HEAD SOCKET CLEARANCE C'BORE CLEARANCE C'BORE C'BORE SCREW SIZE DIA. DIA. (MAX) HEIGHT (MAX) SIZE DIA. (CLOSE) DIA. (CLOSE) DIA. (FREE) DIA. (FREE) DEPTH SIZE D H d' D' d' d D' H' in mm in mm in mm in mm in in mm in mm mm in M 2 0.079 3.8 0.150 2.0 0.079 1.5 mm 2.2 0.087 4.0 0.157 2.50 0.098 4.30 0.169 0.098 M 2 2.5 M 2.5 4.5 2.5 2.7 4.7 3.00 3.0 0.098 0.177 0.098 2.0 mm 0.106 0.185 0.118 5.00 0.197 0.118 M 2.5 5.5 3.0 3.5 6.0 3.75 3.5 6.25 M 3 0.118 0.217 0.118 2.5 mm 0.138 0.236 0.148 0.246 0.138 M 3 M 4 7.0 4.0 4.5 7.5 4.90 4.5 7.90 0.311 0.157 0.276 0.157 3.0 mm 0.177 0.295 0.193 0.177 M 4 M 5 5.0 5.5 5.90 5.5 8.5 9.0 9.40 0.370 0.197 0.335 0.197 4.0 mm 0.217 0.354 0.232 0.217 M 5 M 6 6.0 6.5 7.00 7.0 10.0 10.5 11.00 0.433 0.236 0.394 0.236 5.0 mm 0.256 0.413 0.276 0.276 M 6 M 8 8.0 8.5 9.20 9.0 13.0 13.5 14.20 0.559 0.315 0.512 0.315 6.0 mm 0.335 0.531 0.362 0.354 M 8 M 10 10.0 10.5 11.40 11.0 16.0 16.5 17.40 0.685 0.630 0.413 0.650 0.449 0.394 0.394 8.0 mm 0.433 M 10 M 12 12.0 12.5 13.50 13.0 18.0 18.5 19.50 0.768 0.709 0.492 0.728 0.531 0.472 0.472 10.0 mm 0.512 M 12 M 14 14.0 14.5 15.70 15.0 21.0 21.5 22.70 0.827 0.846 0.894 0.551 0.551 7.000 0.571 0.618 0.591 M 14 14.0 mm 17.0 18.00 18.0 M 16 16.0 24.0 25.0 26.00 0.945 0.984 1.024 0.630 0.630 0.669 0.709 0.709 M 16 17.0 mm 21.0 22.50 22.0 M 20 20.0 30.0 31.0 32.50 1.181 1.220 1.280 0.827 0.886 0.787 0.787 0.866 M 20 19.0 mm 25.0 26.70 26.0 M 24 24.0 36.0 37.0 38.70 1.417 1.457 1.524 0.984 1.051 0.945 0.945 1.024 M 24 22.0 mm 31.0 33.00 32.0 M 30 30.0 45.0 46.0 48.00 1.772 1.811 1.890 1.220 1.299 1.181 1.181 1.260 M 30 NOTE: " FREE SIZES " AND M2.0 AND M2.5 THREAD PITCHES SHOULD ALWAYS BE SPECIFIED, ARE NOT McMASTER CARR STANDARD CUTTING TOOLS BUT WHEN METRIC THREADS ARE SPECIFIED WITHOUT A PITCH, FREE SHOULD BE USED UNLESS CLOSE IS REQUIRED THE FOLLOWING PITCHES ARE TO BE USED: TOLERANCES +/- M 2 X .40 M 6 X 1.0 M 16 X 2.0 FREE CLOSE M 2.5 X .45 X 1.25 M 8 M 20 X 2.5 CLEARANCE DIAMETER M 3 X .50 M 10 X 1.5 0.005 0.005 M 24 X 3.0 COUNTERBORE DIAMETER M 4 X .70 M 12 X 1.75 0.010 0.005 M 30 X 3.5 COUNTERBORE DEPTH M 5 X .80 M 14 X 2.0 0.010 0.010 6/16/2005 Printed copies of Electroimpact standards are for reference only and are not subject to revision control. Internal Thread Minor Diameter Limits Rev A 6/24/04 Inch Metric Class 2B Class 6H Metric Inch Min Thread Min Max Thread Min Max Max 4-40 0.094 0.085 M 2 X .40 1.57 1.68 0.062 0.066 4-48 0.089 0.097 2.01 2.14 0.079 0.084 M 2.5 X .45 6-32 0.104 0.114 M 3 X .50 2.46 2.64 0.097 0.104 8-32 3.24 3.47 0.130 0.139 0.128 0.136 M 4 X .70 10-24 0.145 0.156 M 5 X .80 4.13 4.38 0.163 0.173 4.92 5.15 10-32 0.156 0.164 0.194 0.203 M 6 X 1.0 1/4-20 0.196 0.207 M 8 X 1.25 6.65 6.91 0.262 0.272 8.38 8.68 1/4-28 0.211 0.220 0.330 0.342 M 10 X 1.5 5/16-18 0.252 0.265 M 12 X 1.75 10.11 10.44 0.398 0.411 5/16-24 0.267 0.277 11.84 12.21 0.466 0.481 M 14 X 2.0 3/8-16 0.307 0.321 0.545 0.559 M 16 X 2.0 13.84 14.21 3/8-24 0.330 0.340 17.29 17.74 0.681 0.699 M 20 X 2.5 7/16-14 0.360 0.376 20.75 21.25 0.817 0.837 M 24 X 3.0 7/16-20 0.383 0.395 26.21 26.77 1.032 1.054 M 30 X 3.5 1/2-13 0.417 0.434 1/2-20 0.446 0.457 5/8-11 0.527 0.546 Other metric threads start 5/8-18 0.565 0.578 on page 1645 in Machinery's Handbook 3/4-10 0.642 0.663 3/4-16 0.682 0.696 1-8 0.865 0.890 1-12 0.910 0.928 Other unified threads start on page 1544 in Machinery's Handbook Copied from Machinery's Handbook and is for reference only For metric threads where the pitch is not called out on the drawing, see the countersink/counterbore standards