Drive pin for fastening to a sheet-metal framing member

A construction assembly effected by an automatic nailer, said construction assembly comprising:

• a sheet-metal framing member;
• a material attached to said sheet-metal framing member;
• and
• a drive pin attaching said material to said sheet-metal framing member, said drive pin comprising:
• a substantially cylindrical shank;
• a head coupled to said shank;
• a knurl formed of a plurality of threads rolled full upon said shank to produce a plurality of substantially parallel spiral grooves, wherein each of said spiral grooves subtends an angle of no less than 15 and no greater than 30 degrees relative to an axis of said shank;
• and
• an ogival-shaped tip coupled to said shank and configured to penetrate said material and said sheet-metal framing member under force of said automatic nailer.

A drive pin for the fastening of a material to a sheet-metal framing member with an automatic nailer, said drive pin comprising:

• a substantially cylindrical shank having a base diameter in a range of 0.0625 to 0.125 inch;
• a head coupled to a first end of said shank;
• a knurl formed of at least seven and no more than fourteen substantially parallel spiral grooves having a minor diameter less than said base diameter, wherein adjacent ones of said spiral grooves are separated by substantially unbroken spiral ridges having a major diameter greater than said base diameter, and wherein said spiral grooves and ridges together form a plurality of threads rolled full upon a portion of said shank at an angle of substantially 26±2 degrees relative to an axis of said shank;
• an ogival-shaped tip coupled to a second end of said shank and configured to penetrate said material and said framing member under force of said automatic nailer.