Item # item-3003, Heads of Oval Countersunk Trim Head Tapping Screw, with 0.187" Head Dia. On Sales Systems Ltd.

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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Tapping Screws > Heads of Oval Countersunk Trim Head Tapping Screws > Item # item-3003


	Item # item-3003, Heads of Oval Countersunk Trim Head Tapping Screw, with 0.187" Head Dia.

Heads of Oval Countersunk Trim Head Tapping Screws

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Applicable to screw types as indicated by code symbols.

Type AB thread forming.
Type A thread forming, except for short lengths.
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

Nominal Size or Basic Screw Dia.

No. 4

Nominal Size or Basic Screw Dia. (Decimal)

0.1120 in

Head Size

Applicable to Screw Types¹

Max. Head Dia. (A)

0.187 in

Min. Head Dia. (A)

0.167 in

Ref. Head Side Height (H)

0.057 in

Ref. Head Crown Height (C)

0.033 in

Ref. Total Head Height (O)

0.086 in

Ref. Head Radius (R)

0.014 in

Min. Shoulder Dia. for Type A Long Screws (E)

0.105 in

Min. Shoulder Dia. for Other Types Long Screws (E)

0.106 in

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

Codes and Standards

Codes and Standards		Abstract of ASME B18.6.4 1998

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Item # item-3003, Heads of Oval Countersunk Trim Head Tapping Screw, with 0.187" Head Dia.

Manufacturer