SpotNails 6616PG-10M 2" Galvanized 16 Ga 7/16" Medium Crown Staples 10M is a collated staple pack built for sheathing and general construction fastening. This is a collated staple designed for construction and building material securing. Model Number: 6616PG-10M. If you are loading a compatible medium crown stapler for sheathing work, this is the kind of staple that matters because the dimensions and fit have to be right the first time.

What stands out here is the staple format: 16 gauge, 7/16 inch medium crown, and a 2 inch leg with a chisel point. In practical terms, that gives you a staple made for applications where you need more leg length and a crown style commonly used in sheathing and panel attachment. The chisel point helps the staple drive into material more cleanly, which matters when you are trying to keep production moving instead of fighting feed issues and poor penetration.

The galvanized finish is another important detail. On fasteners, finish is not fluff. It affects how the staple holds up in real jobsite conditions and whether it is suited for the material and environment you are working in. For sheathing crews, remodelers, and general contractors, galvanized staples are a common choice when plain steel is not the right answer.

This SpotNails staple pack is also about jobsite efficiency. With 10,000 staples per box, it is set up for volume work rather than occasional punch-list use. That is a better fit for pros running pneumatic staplers throughout the day and for serious DIY users tackling large wall, roof, or panel projects who do not want to run out halfway through the job.

Compatibility is a big reason buyers look up a specific fastener model instead of just shopping by gauge. According to the source data, these staples fit a wide range of staplers including compatible models from Spot Nails, Senco, Duo-Fast, Hitachi, Porter-Cable, Fasco, DeWalt, and Max. That broad fitment makes the 6616PG-10M a practical restock option for crews already using Senco-style medium crown sheathing staplers.

Who should buy this? Contractors and builders doing sheathing, panel fastening, and general construction assembly. It also makes sense for shop or field users who already know they need a 7/16 inch medium crown, 16 gauge, 2 inch leg staple for their stapler. Bottom line: if your tool calls for this exact staple profile, buying the correct collation, crown, and leg length saves time, prevents jams, and keeps your fastening consistent.

SpotNails 6616PG-10M is the right buy when your stapler calls for the exact stuff

This is a straightforward pro fastener pack: correct gauge, correct crown, long 2 inch leg, and a full 10,000-count box for real work instead of weekend leftovers.

• Who it's for: Crews and serious users running compatible medium crown sheathing staplers for construction and panel fastening.
• Why it stands out: The 16 gauge, 7/16 inch crown, galvanized finish, and broad published tool compatibility make it an easy restock for the right stapler.
• Worth knowing: This is a fit-specific staple. If your tool does not take Senco-style 16 gauge 7/16 inch medium crown staples with a 2 inch leg, do not force it.

• What type of fastener is this? It is a 16 gauge collated staple with a 7/16 inch medium crown and 2 inch leg length.
• What is the finish? These staples have a galvanized finish.
• How many staples come in the box? The source data lists 10,000 staples per box.
• What tools does it fit? The source data lists compatibility with select Spot Nails, Senco, Duo-Fast, Hitachi, Porter-Cable, Fasco, DeWalt, and Max staplers that accept this staple format.