Metallics DWC10B 10 x 3-1/2 in. Bugle Head Phillips Drywall Screws - Steel Black Phosphate - Coarse Threads - Each

Wood framing. The DWC10B is a coarse thread, sharp point drywall screw at 8 threads per inch, which is the configuration for driving into wood. Metallics lists its applications as wood to wood, drywall to wood and cabinet installations, plus electrical, plumbing, and HVAC work. For light gauge steel studs you want a fine thread screw instead.

Yes, for a single layer of board it is. A #10 x 3-1/2 inch screw is a framing and cabinet length fastener, which is why Metallics lists the DWC10B for wood to wood and cabinet work alongside drywall to wood. Use it where you are going through furring, multiple layers, or fastening blocking and nailers. For a single 1/2 inch sheet into wood studs, a 1-1/4 inch coarse thread screw is the normal pick.

No. Black phosphate is a dry interior coating, not a corrosion barrier for exterior exposure, and the DWC10B is finished in steel black phosphate. Keep it inside and dry. For exterior deck or wet-area work, choose a coated or stainless exterior screw.

No. The DWC10B is listed as not Buy American compliant and not ARRA compliant, with country of origin recorded as multiple. On a federally funded job with domestic sourcing requirements, this screw will not satisfy the clause.

A #2 Phillips. The recess is Phillips drive with a 0.190 to 0.204 inch diameter and 0.124 inch depth, which a #2 tip seats in properly. Three power bits ship with the box, so a crew has spares on hand.

The DWC10B ships as a box with an order minimum of 1500 pieces, each. That is the smallest purchase quantity on this item. Metallics does make other sizes and quantities in the DWC family available by request if 1500 of the 3-1/2 inch is more than the job needs.

That is what the bugle head is for. The DWC10B head is a bugle profile measuring 0.334 to 0.363 inch across with a head height of 0.020 to 0.039 inch, so the flared underside seats the screw just below the paper face without cutting it. Note that there is no single industry standard for bugle head dimensions, so slight deviations from those figures are normal.

AISI 1018 steel, heat treated to Rockwell C45-64. That hardness range is what lets the sharp point bite and the #2 Phillips recess take driving torque without the head cam-out or snapping in dense wood.

27.05 lbs per box. Dimensions are listed as 9 x 9 x 6.13 inches, so it is a compact carton one person can carry up a ladder or stage at a floor.

The DWC10B runs a UNC coarse thread at 8 threads per inch on a #10 diameter shank. It is a tapping screw driven into wood, not a machine screw, so it forms its own thread off the sharp point rather than mating with a tapped hole or nut.