EmailEmail Us Today: info@salessystemsltd.comPhoneCall Us Toll Free: 800.368.3711
Reference Guide Only. Not Actual Inventory.
Sales Systems Limited Products and Services > Fasteners > Bolts / Screws > Tapping Screws > Thread Cutting Tapping Screws Type T > Item # TCTST02078XXX  
Download PDF Download PDF         Email Email This Page     Save To Favorites Save To Favorites

Item # TCTST02078XXX, Thread Cutting Tapping Screw Type T, with 0.2160" Nominal Dia.



  • Points of screws shall be tapered and fluted or slotted as illustrated above for the respective types. The flute on Type T screws shall have an included angle of 90º to 95º and the thread cutting edge located above the axis of screw. Tapered threads shall have unfinished crests, and the flutes or slots shall extend through the first full thread beyond taper except for Type F screws on which tapered threads may be complete at manufacturer's option and flutes may be one pitch short of the first full form thread. Other details of taper and flute design shall be optional with the manufacturer, provided the screws meet the specified performance requirements.
  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • Screws of these nominal lengths and shorter shall have point taper lengths specified for short screws. Longer lengths shall have point taper lengths specified for long screws.





Manufacturer  · Specifications  · Codes and Standards  · Threads Per Inch

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Tapping Screws

Unit of Measure

English

Nominal Size or Basic Screw Dia.

No. 12

Nominal Size or Basic Screw Dia. (Decimal)

0.2160 in

Max. Major Dia. (D)

0.2160 in

Min. Major Dia. (D)

0.2078 in

Ref. Point Dia. (P)

0.174 in

Max. Point Taper Length For Short Screws (S)

0.146 in

Min. Point Taper Length For Short Screws (S)

0.104 in

Max. Point Taper Length For Long Screws (S)

0.188 in

Min. Point Taper Length For Long Screws (S)

0.146 in

Determinant Lengths for Point Taper 90º Heads (L)

11/32 in

Determinant Lengths for Point Taper Csk Heads (L)

7/16 in

Min. Practical Nominal Screw Lengths for 90º Heads (L)

5/16 in

Min. Practical Nominal Screw Lengths for Csk Heads (L)

13/32 in


Codes and Standards

Codes and Standards

ASME B18.6.4 1998


Threads Per Inch

Threads Per Inch

24


 DOWNLOADS 

Type Designations for Tapping Screws and Metallic Drive Screws
(PDF, 206KB)


Distributor of Industry Standard and Military Specification Threaded Fasteners