A rapid light duty hammer-set anchor for attaching sheet metal, plastic or wood to concrete or mas...A rapid light duty hammer-set anchor for attaching sheet metal, plastic or wood to concrete or masonry. NOTE: Not recommended for overhead applications such as suspended ceilings. Diameter mm: 6.0Length mm: 40Material: Carbon SteelFinish: ZincDrill Hole Dia. mm: 6.0Fixture Hole Diameter mm: 6.5Max Fixture Thickness mm: 15Min Drill Hole Depth mm: 35. TIMco 0640ZNA Nails In Anchor Zamac 6 x 40mm Box of 100 Zamac Nail-In Anchors A rapid light duty hammer-set anchor for attaching sheet metal,plastic... Large diameter flange head Steel nails Zinc alloy body, Weight: 2.094391489 pounds, Manufacturer: TIMCO