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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  • Threads within point taper length shall have unfinished crests.
  • The width of flat at crest of thread shall not exceed 0.004 in. for sizes up to and including No. 8, and 0.006 in. for larger sizes.
  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • For determining the effective grip length of BP screws.
Threads and Points for Type BP Thread Forming Tapping Screws
Detail of Thread Form
Unit of Measure
Items Threads and Points for Type BP Thread Forming Tapping Screws
TFTSBP00600XXX
Thread Forming Tapping Screws Type BP, with 0.0600" Nominal Dia. 		Threads and Points for Type BP Thread Forming Tapping Screws
TFTSBP00730XXX
Thread Forming Tapping Screws Type BP, with 0.0730" Nominal Dia. 		Threads and Points for Type BP Thread Forming Tapping Screws
TFTSBP00860XXX
Thread Forming Tapping Screws Type BP, with 0.0860" Nominal Dia. 		Threads and Points for Type BP Thread Forming Tapping Screws
TFTSBP00990XXX
Thread Forming Tapping Screws Type BP, with 0.0990" Nominal Dia. 		Threads and Points for Type BP Thread Forming Tapping Screws
TFTSBP01120XXX
Thread Forming Tapping Screws Type BP, with 0.1120" Nominal Dia.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Tapping Screws
Codes and Standards N/A 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
Threads Per Inch N/A 48 N/A 42 N/A 32 N/A 28 N/A 24
Max. Major Dia. (D) N/A 0.060 in N/A 0.075 in N/A 0.088 in N/A 0.101 in N/A 0.114 in
Min. Major Dia. (D) N/A 0.054 in N/A 0.069 in N/A 0.082 in N/A 0.095 in N/A 0.108 in
Max. Minor Dia. (d) N/A 0.036 in N/A 0.049 in N/A 0.064 in N/A 0.075 in N/A 0.086 in
Min. Minor Dia. (d) N/A 0.033 in N/A 0.046 in N/A 0.060 in N/A 0.071 in N/A 0.082 in
Ref. Point Dia. (P) N/A 0.031 in N/A 0.044 in N/A 0.058 in N/A 0.068 in N/A 0.079 in
Max. Point Taper Length (S) N/A 0.042 in N/A 0.048 in N/A 0.062 in N/A 0.071 in N/A 0.083 in
Min. Point Taper Length (S) N/A 0.031 in N/A 0.036 in N/A 0.047 in N/A 0.054 in N/A 0.063 in
Min. Practical Nominal Screw Lengths for 90ยบ Heads (L) N/A 5/32 in N/A 3/16 in N/A 1/4 in N/A 9/32 in N/A 5/16 in
Min. Practical Nominal Screw Lengths for Csk Heads (L) N/A 3/16 in N/A 7/32 in N/A 9/32 in N/A 5/16 in N/A 11/32 in