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 Reference Guide > Bolts / Screws > Tapping Screws > Type I Cross Recessed Oval Countersunk Trim Head Tapping Screws > Item # item-3033  
Download PDF Download PDF         Email Email This Page     Save To Favorites Save To Favorites

Item # item-3033, Type I Long Screw with Shoulder, with 0.284" Recess Dia.


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 and Types D, F, G, and T thread cutting.




Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer
Industrial Fasteners Institute


Specifications

Product
Tapping Screws

Unit of Measure
English

Type
Type I Long Screw with Shoulder

Nominal Size or Basic Screw Dia.
5/16 in

Nominal Size or Basic Screw Dia. (Decimal)
0.3125 in

Head Size
1/4 in

Applicable to Screw Types1

Ref. Recess Dia. (M)
0.284 in

Ref. Recess Depth (T)
0.160 in

Ref. Recess Width (N)
0.040 in

Driver Size
3

Max. Recess Penetration Gaging Depth
0.156 in

Min. Recess Penetration Gaging Depth
0.131 in

Max. Protrusion Above Gaging Dia. (F)
0.129 in

Min. Protrusion Above Gaging Dia. (F)
0.095 in

Gaging Dia. (G)
0.424 in
1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square


Codes and Standards

Codes and Standards
Abstract of ASME B18.6.4 1998


 DOWNLOADS 

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


Distributor of Industry Standard and Military Specification Threaded Fasteners