Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Drive Screws

Unit of Measure

N/A English

Nominal Size or Basic Screw Dia.

N/A No. 12

Nominal Size or Basic Screw Dia. (Decimal)

N/A 0.2120 in

Number of Thread Starts

N/A 8

Max. Outside Dia. (D)

N/A 0.212 in

Min. Outside Dia. (D)

N/A 0.206 in

Max. Head Dia. (A)

N/A 0.408 in

Min. Head Dia. (A)

N/A 0.382 in

Max. Head Height (H)

N/A 0.153 in

Min. Head Height (H)

N/A 0.139 in

Max. Pilot Dia. (P)

N/A 0.177 in

Min. Pilot Dia. (P)

N/A 0.173 in

Codes and Standards

Codes and Standards

N/A ASME B18.6.4 1998

Recommended Hole Size

Drill Size No.

N/A 11

Hole Dia.

N/A 0.191 in
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