Sales Systems, Limited
Sales Systems, Limited
700 Florida Avenue
Portsmouth, Virginia 23707
Toll Free: 800.368.3711
Phone: 757.397.0763
Fax Sales: 757.393.3669
Email: info@salessystemsltd.com
Website: www.salessystemsltd.com
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  • Applicable to screw types as indicated by code symbols.
    Type AB thread forming.
    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 longer lengths shall have head heights.
  • 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.
Slotted Undercut Flat Countersunk Head Tapping Screws
Unit of Measure
1 

Item #

Description

Nominal Size or Basic Screw Dia.

L

Max. (A)

Max. (H)

Max. (J)

Max. (T)

SUFCHTS00600XXX N/A Slotted Undercut Flat 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 0.023 in N/A 0.011 in
SUFCHTS00730XXX N/A Slotted Undercut Flat 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 0.026 in N/A 0.014 in
SUFCHTS00860XXX N/A Slotted Undercut Flat 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 0.031 in N/A 0.016 in
SUFCHTS00990XXX N/A Slotted Undercut Flat 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 0.035 in N/A 0.019 in
SUFCHTS01120XXX N/A Slotted Undercut Flat 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 0.039 in N/A 0.022 in
SUFCHTS01250XXX N/A Slotted Undercut Flat 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 0.043 in N/A 0.024 in
SUFCHTS01380XXX N/A Slotted Undercut Flat 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 0.048 in N/A 0.027 in
SUFCHTS01510XXX N/A Slotted Undercut Flat 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 0.048 in N/A 0.030 in
SUFCHTS01640XXX N/A Slotted Undercut Flat 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 0.054 in N/A 0.032 in
SUFCHTS01900XXX N/A Slotted Undercut Flat 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 0.037 in
SUFCHTS02160XXX N/A Slotted Undercut Flat 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 0.067 in N/A 0.043 in
SUFCHTS02500XXX N/A Slotted Undercut Flat 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 0.075 in N/A 0.050 in
SUFCHTS03125XXX N/A Slotted Undercut Flat 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 0.084 in N/A 0.062 in
SUFCHTS03750XXX N/A Slotted Undercut Flat 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 0.094 in N/A 0.075 in
SUFCHTS04375XXX N/A Slotted Undercut Flat 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 0.094 in N/A 0.072 in
SUFCHTS05000XXX N/A Slotted Undercut Flat 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 0.106 in N/A 0.072 in
Unit of Measure
1