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ASME B18.6.1

asme-b18-6-1-slotted-oval-countersunk-head-wood-screws (1)

Dimensions of ASME B18.6.1 Slotted Oval Countersunk Head Wood Screws

SizeBody Diameter, EHead Diameter, AHead Height, HSlot Width, JSlot Depth, TFillet Radius, RThread Major Diameter
MaxMinMaxMinMaxMinMaxMinMaxMinMaxMaxMin
0-320.0550.0440.1130.0990.0530.0430.0230.0160.0390.0290.0160.0640.053
1-280.0660.0550.1380.1220.0610.0510.0260.0190.0440.0330.0160.0770.066
2-260.0750.0640.1620.1460.0690.0590.0310.0230.480.0370.0160.0900.079
3-240.0860.0750.1870.1690.0780.0670.0350.0270.0530.0400.0160.1030.092
4-220.0950.0840.2110.1930.0860.0750.0390.0310.0580.0440.0160.1160.105
5-200.1070.0960.2360.2170.0950.0830.0430.0350.0630.0470.0310.1290.118
6-180.1180.1070.2600.2400.1030.0910.0480.0390.0680.0510.0310.1420.131
7-160.1270.1160.2850.2640.1110.0990.0480.0390.0720.0550.0310.1550.144
8-150.1360.1250.3090.2870.1200.1070.0540.0450.0770.0580.0310.1680.157
9-140.1470.1360.3340.3110.1280.1150.0540.0450.0820.0620.0310.1810.170
10-130.1570.1460.3590.3340.1370.1230.0600.0500.0870.0650.0310.1940.183
12-110.1760.1650.4080.3820.1530.1390.0670.0560.0960.0730.0310.2200.209
14-100.2010.1900.4570.4290.1700.1550.0750.0640.1060.0800.0460.2460.235
16-90.2140.2030.5060.4760.1870.1710.0750.0640.1150.0870.0460.2720.261
18-80.2370.2260.5550.5230.2040.1870.0840.0720.1250.0940.0460.2980.287
20-80.2600.2490.6040.5700.2200.2030.0840.0720.1340.1010.0460.3240.313
24-70.3030.2920.7020.6640.2540.2350.0940.0810.1540.1160.0460.3760.365

Thread Length shall be 4 times the screw diameter or 2/3 the screw length, whichever is greater Screws less than 4 times their diameter shall be fully threaded.

Specifications Requirements :

  • Dimensions : ASME B18.6.1
  • Drive Style : Slotted
  • Material : 18-1 Stainless steel.
  • Thread Requirements : Rolled thread screws per ASME B18.6.1
  • Finish : Cleaned or descaled.