• Applicable to screw types as indicated by code symbols.
    Type AB thread forming.
    Type A thread forming, except for short lengths.
    Types B and BP thread forming; and Types BF and BT thread cutting
    Type C thread forming; and Types D, F, G, and T thread cutting.
  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • Screws of these lengths and shorter shall have undercut heads. Use Type AB undercut head screws in place of Type A screws for these lengths and shorter.
  • Tabulated values determined from formula for H max, Appendix.
  • Tabulated values determined from formula for O max, Appendix.
  • No tolerance for gaging diameter is given. If the gaging diameter of the gage used differs from tabulated value, the protrusion will be affected accordingly and the proper protrusion values must be recalculated using the formulas shown in Appendix.
Request Information
Unit of Measure
Items
Slotted Oval Countersunk Head Tapping Screws

Slotted Oval Countersunk Head Tapping Screw, with 0.112" Head Dia.
Slotted Oval Countersunk Head Tapping Screws

Slotted Oval Countersunk Head Tapping Screw, with 0.137" Head Dia.
Slotted Oval Countersunk Head Tapping Screws

Slotted Oval Countersunk Head Tapping Screw, with 0.162" Head Dia.
Slotted Oval Countersunk Head Tapping Screws

Slotted Oval Countersunk Head Tapping Screw, with 0.187" Head Dia.
Slotted Oval Countersunk Head Tapping Screws

Slotted Oval Countersunk Head Tapping Screw, with 0.212" Head Dia.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Tapping Screws
Codes and Standards N/A Abstract of ASME B18.6.4 1998
Unit of Measure N/A English
Nominal Size or Basic Screw Dia. N/A No. 0 N/A No. 1 N/A No. 2 N/A No. 3 N/A No. 4
Nominal Size or Basic Screw Dia. (Decimal) N/A 0.0600 in N/A 0.0730 in N/A 0.0860 in N/A 0.0990 in N/A 0.1120 in
Applicable to Screw Types1 N/A 1
2
3
N/A 1
2
3
N/A 1
2
3
4
N/A 1
2
3
4
N/A 1
2
3
4
Length for Types AB and A (L)
N/A 3/16 in N/A 3/16 in N/A 3/16 in N/A 7/32 in N/A 1/4 in
Length for Other Types (LT) N/A 1/8 in N/A 5/32 in N/A 3/16 in N/A 7/32 in N/A 1/4 in
Max. Head Dia. (A) N/A 0.112 in N/A 0.137 in N/A 0.162 in N/A 0.187 in N/A 0.212 in
Min. Head Dia. (A) N/A 0.096 in N/A 0.120 in N/A 0.144 in N/A 0.167 in N/A 0.191 in
Ref. Head Side Height (H) N/A 0.035 in N/A 0.043 in N/A 0.051 in N/A 0.059 in N/A 0.067 in
Ref. Head Crown Height (C) N/A 0.021 in N/A 0.025 in N/A 0.029 in N/A 0.033 in N/A 0.037 in
Ref. Total Head Height (O) N/A 0.056 in N/A 0.068 in N/A 0.080 in N/A 0.092 in N/A 0.104 in
Max. Slot Width (J) N/A 0.023 in N/A 0.026 in N/A 0.031 in N/A 0.035 in N/A 0.039 in
Min. Slot Width (J) N/A 0.016 in N/A 0.019 in N/A 0.023 in N/A 0.027 in N/A 0.031 in
Max. Slot Depth (T) N/A 0.030 in N/A 0.038 in N/A 0.045 in N/A 0.052 in N/A 0.059 in
Min. Slot Depth (T) N/A 0.025 in N/A 0.031 in N/A 0.037 in N/A 0.043 in N/A 0.049 in
Max. Protrusion Above Gaging Dia. (F) N/A 0.047 in N/A 0.053 in N/A 0.058 in N/A 0.064 in N/A 0.069 in
Min. Protrusion Above Gaging Dia. (F) N/A 0.031 in N/A 0.035 in N/A 0.039 in N/A 0.044 in N/A 0.048 in
Gaging Dia. (G) N/A 0.078 in N/A 0.101 in N/A 0.124 in N/A 0.148 in N/A 0.172 in
  • 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square
Search Catalog: GO
Use trailing wildcard (*) for broader results.