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 > Slotted Flat Countersunk Head Tapping Screws > Item # SFCHTS02680XXX  
Download PDF Download PDF         Email Email This Page     Save To Favorites Save To Favorites

Item # SFCHTS02680XXX, Slotted Flat Countersunk Head Tapping Screw, with 0.512" Head Dia.

Applicable to screw types as indicated by code symbols.
  • Type A thread forming, except for short lengths.

Manufacturer  · Specifications  · Codes and Standards



Industrial Fasteners Institute



Tapping Screws

Unit of Measure


Nominal Size or Basic Screw Dia.

No. 16

Nominal Size or Basic Screw Dia. (Decimal)

0.2680 in

Applicable to Screw Types1

Length for Types AB and A (L)

3/4 in

Max. Head Dia. (A)

0.512 in

Min. Head Dia. (A)

0.475 in

Ref. Head Height (H)

0.164 in

Max. Slot Width (J)

0.075 in

Min. Slot Width (J)

0.064 in

Max. Slot Depth (T)

0.075 in

Min. Slot Depth (T)

0.049 in

Max. Protrusion Above Gaging Dia. (F)

0.052 in

Min. Protrusion Above Gaging Dia. (F)

0.031 in

Gaging Dia. (G)

0.457 in
1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square

Codes and Standards

Codes and Standards

Abstract of ASME B18.6.4 1998


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

Distributor of Industry Standard and Military Specification Threaded Fasteners