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  • Applicable to screw types as indicated by code symbols.
    Type AB thread forming.
    Types B and BP thread forming and Types BF and BT thread cutting.
    Type C thread forming, Appendix; 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.
  • Longer lengths shall have head heights
  • Tabulated values determined from formula for H max, Appendix.
  • No tolerance for gaging diameter is given. If the gaging diameter of
  • more
Slotted Undercut Oval Countersunk Head Tapping Screws
Unit of Measure
1 

Item #

Description

Nominal Size or Basic Screw Dia.

L

Max. (A)

Ref. (H)

Ref. (C)

Max. (O)

SUOCHTS00600XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.112" Head Dia. N/A No. 0 N/A 3/16 in N/A 0.112 in N/A 0.025 in N/A 0.021 in N/A 0.046 in
SUOCHTS00730XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.137" Head Dia. N/A No. 1 N/A 3/16 in N/A 0.137 in N/A 0.031 in N/A 0.025 in N/A 0.056 in
SUOCHTS00860XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.162" Head Dia. N/A No. 2 N/A 3/16 in N/A 0.162 in N/A 0.036 in N/A 0.029 in N/A 0.065 in
SUOCHTS00990XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.187" Head Dia. N/A No. 3 N/A 7/32 in N/A 0.187 in N/A 0.042 in N/A 0.033 in N/A 0.075 in
SUOCHTS01120XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.212" Head Dia. N/A No. 4 N/A 1/4 in N/A 0.212 in N/A 0.047 in N/A 0.037 in N/A 0.084 in
SUOCHTS01250XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.237" Head Dia. N/A No. 5 N/A 1/4 in N/A 0.237 in N/A 0.053 in N/A 0.041 in N/A 0.094 in
SUOCHTS01380XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.262" Head Dia. N/A No. 6 N/A 5/16 in N/A 0.262 in N/A 0.059 in N/A 0.045 in N/A 0.104 in
SUOCHTS01510XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.287" Head Dia. N/A No. 7 N/A 3/8 in N/A 0.287 in N/A 0.064 in N/A 0.049 in N/A 0.113 in
SUOCHTS01640XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.312" Head Dia. N/A No. 8 N/A 7/16 in N/A 0.312 in N/A 0.070 in N/A 0.052 in N/A 0.123 in
SUOCHTS01900XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.362" Head Dia. N/A No. 10 N/A 1/2 in N/A 0.362 in N/A 0.081 in N/A 0.060 in N/A 0.142 in
SUOCHTS02160XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.412" Head Dia. N/A No. 12 N/A 9/16 in N/A 0.412 in N/A 0.092 in N/A 0.068 in N/A 0.161 in
SUOCHTS02500XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.477" Head Dia. N/A 1/4 in N/A 5/8 in N/A 0.477 in N/A 0.107 in N/A 0.079 in N/A 0.186 in
SUOCHTS03125XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.597" Head Dia. N/A 5/16 in N/A 13/16 in N/A 0.597 in N/A 0.134 in N/A 0.099 in N/A 0.232 in
SUOCHTS03750XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.717" Head Dia. N/A 3/8 in N/A N/A 0.717 in N/A 0.161 in N/A 0.117 in N/A 0.278 in
SUOCHTS04375XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.760" Head Dia. N/A 7/16 in N/A N/A 0.760 in N/A 0.156 in N/A 0.122 in N/A 0.279 in
SUOCHTS05000XXX N/A Slotted Undercut Oval Countersunk Head Tapping Screw, with 0.815" Head Dia. N/A 1/2 in N/A N/A 0.815 in N/A 0.156 in N/A 0.131 in N/A 0.288 in
Unit of Measure
1