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  • Introducing The Grex H850LX 21 Gauge Micro Brad Nailer

    When you think Grex Power Tools, your first thought is probably a 23 gauge micro pinner - or even an 18 gauge brad nailer. Grex wants to change your thinking, as the brand recently introduced its all-new H850LX 21 gauge micro brad nailer, the first of its kind to wear a green Grex badge.

    Grex H850LX

    At first glance, you can hardly tell the difference between the H850LX and its 23 gauge cousin, the P650LX. A closer look at the Grex 21 gauge pin nailer however, reveals a much different story.

    Grex H850LX Posit-Lock Nose Cover

    Drawing on more than 16 years' engineering excellence, the Grex H850LX offers a perfect compromise between nail diameter (represented by visual penetration marks on the wood surface), and holding strength (represented by pin length and width). While 18 gauge brad nails offer improved holding power, they tend to leave larger holes and markings wherever the nail is applied. On the other hand, a 23 gauge pin leaves a smaller blemish on the wood surface, but compensates with a smaller nail diameter - which reduces holding strength.

    Finish Nail Comparison Chart

    This leaves you with 21 gauge pins (also referred to as micro brads), which sit right in the middle. Micro brads provide better holding power than 23 gauge micro pins, but leave a less noticeable mark after each drive, as compared to 18 gauge brad nails. Compare the Grex H850LX to other popular 21 gauge nailers, including the Everwin PT850EA, the Senco FinishPro 21LXP and the Cadex V2/21.55.

    Grex H850LX Magazine

    When it comes to features, the Grex H850LX will not disappoint. Standard features on the H850LX include internal aluminum parts, one-piece driver design with tapered tip (for minimal marking), auto trigger lockout, one-touch lock-out over-ride, on-board integrated edge guide with holder, extruded aluminum magazine, narrow nose design, removable no-mar rubber tip, Posit-Lock nose cover (to reduce jamming), steel belt hook, rear exhaust, large fastener indicator window, allen key storage, swivel air coupler, and rubber hand grip. Weighing in at 3.6 lbs., the H850LX is capable of driving 3/8" to 2" 21 gauge slight headed micro brads, such as Senco ZX Series pins. Versatile and efficient, first impressions indicate Grex has hit one out of the park with their H850LX.

    Grex H850LX Internal Parts

    Priced at the top of its competition, just under $300 at launch, it's too soon to tell if the additional expense will be justified in improved build quality, durability and features. But, based on our experience with Grex 23 gauge nailers, we're confident this tool will be successful among the woodworking crowd.

    What do you think?

     

    ~ The Team At Nail Gun Depot

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  • Everything To Know About Galvanized Nails - And Using Them

    Why use galvanized nails? The quick answer, to slow down the process of rusting and corrosion, by protecting the nail with a zinc coating. Galvanized steel nails will eventually rust (use stainless steel nails to completely prevent rust), but the galvanization (zinc coat) will prolong the nail's lifespan - as compared to non-coated alternatives. Because the cost of stainless steel is often two or three times that of galvanized steel, many contractors elect for the galvanized product in regions where building code doesn't specify otherwise.

    So, you've decided to use a galvanized nail, but now need to determine which type of galvanized coating to use.

    There are two main types of galvanized nail that you'll find on Nail Gun Depot, either Hot-Dip Galvanized (HDG), or Electro-Galvanized (EG). Other types of galvanization can include tumbler hot galvanizing and mechanical zinc plating (also known as peen-plating). You may also see certain galvanized products listed as 1000 hours galvanized, which indicates those items are rated to withstand 1000 hours - or more - of salt spray testing.

    Hot Dipped Galvanized nails are the highest quality of galvanization available, offering 1.7 mils minimum zinc coating thickness, evenly covering all nail surfaces from head to tip - and offering a 30-50+ year lifespan. The process for hot-dip galvanizing includes cleaning the steel body, submerging the nail into molten zinc, and spinning it to remove excess coating. Perfect for use indoor and outdoor, HDG nails provide a good balance of cost and quality. And, an added benefit, the coarse zinc particles offer added "cling" to whatever surface they come in contact with - providing additional holding strength.

    For the highest quality galvanized nail, look to see if it is ACQ approved, which indicates the nail can be used with ACQ pressure treated lumber. For HDG nails, ensure the nail meets ASTM A153 specifications for hot dipped galvanizing.

    For applications where lower quality galvanization is suitable, Electro-Galvanized nails are among the thinnest coating, at 0.36 mils maximum. Ideal for indoor applications, the EG coating has an average lifespan of 5-10+ years depending on the environment. Similar to HDG, Electro-Galvanized nails are also bathed in zinc, but with an electric current that charges the zinc acid and attaches it to the nail's body.

    Despite the benefits to using a galvanized nail, there are certain types of wood, such as cedar or redwood, where galvanized nails (especially those with a lower quality galvanization) will quickly rust and streak the surface, due to a chemical reaction with the wood. We typically recommend using stainless steel nails if working with these types of wood, for a guaranteed high-quality finish.

    When ordering, if you're looking specifically for Hot Dipped Galvanized nails, pay close attention to the product description. More often than not, if a nail is labelled as galvanized, but does not specifically indicate Hot-Dip Galvanized (HDG) anywhere, the nail is probably coated with a lesser quality galvanization, such as Electro-Galvanized (EG).

    Most nails offered through Nail Gun Depot are listed specifically by the type of material, coating, or galvanization they are manufactured with. For additional questions regarding which type of nail or staple is best for your project, consult a product specialist here. You can also learn more by visiting the American Galvanizers Association.

    Of course, always know the building codes and requirements for the area with which you are planning to work.

     

    ~ The Team At Nail Gun Depot

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  • Video: Introducing The Grabber SuperDrive N7 Screw System

    A game-changer in auto-feed fastening, the Grabber SuperDrive N7 series screw gun kit (SDN740DT) comes complete with the SDN7 screw gun attachment, Rocker 4000 RPM screw gun motor, drywall clip and Phillips bits. The SDN740DT features a smaller head design ideal for tighter spaces, SureLock fine depth control adjustment, durable aircraft aluminum body, and a rounded tip on the attachment that will not damage drywall or wood. The N7 series tool uses a widely accepted tape collation system, holding up to 50 screws per strip. The SuperDrive N7 SDN740DT corded screw system is recommended for drywall, sub floor, sheathing to wood or metal, light or heavy gauge metal, wood to wood, and metal to metal applications.

    SuperDrive SDN7 screw gun attachments are designed with a snap-on coupler, making it easy to attach with select Dewalt, Makita and Rocker corded and cordless drivers. No separate couplers or conversion adapters required - simply snap-on the Grabber SDN7 attachment. Featuring a smaller head design, this SuperDrive attachment uses a widely accepted tape collation, and can hold 50 screws per strip. The SDN7 indexing head is excellent for drywall and sheathing to wood or metal, metal to metal, light or heavy gauge metal, subfloor, and wood to wood applications. Learn how to use the SuperDrive SDN7 screw gun attachment below.

     

    ~ The Team At Nail Gun Depot

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