Brad and finish nailer guide
Metabo HPT NT65MA4 15-Gauge 2-1/2 in. Angled Pneumatic Finish Nailer
Crown, base and door casing with 15-gauge angled nails on a compressor
The NT65MA4 is Metabo HPT's 4.2 lb pneumatic finish nailer for 15-gauge angled nails from 1-1/4 to 2-1/2 in. Its 34 degree magazine holds 100 nails, it switches between sequential and contact firing, and an air duster clears the work surface.
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Published specifications
- 15-gauge angled nails, 1-1/4 to 2-1/2 in.
- 34 degree magazine; 100 nails
- 70 to 120 psi; .045 cu ft per cycle at 100 psi
- Sequential or contact firing
- 4.2 lbs, per Metabo HPT
- Professional 5-Year Tool Warranty, per Metabo HPT
Fit and limits
Strengths
- Angled magazine for tight angles, per Metabo HPT
- Air duster and 360 degree exhaust port
- No-mar tip in the box, per Metabo HPT
Caveats
- Needs a compressor, hose and pneumatic tool oil
- Takes 15-gauge angled nails only
- Metabo HPT's box list and the manual's differ
What it drives and what comes with it
Metabo HPT says the NT65MA4 takes 15-gauge angled nails from 1-1/4 to 2-1/2 in. in a 34 degree magazine that holds 100 nails. It names crown and base moldings, window and door casings, chair rails, cabinets, exterior trim and staircases as its jobs.
The box list on Metabo HPT's page names safety glasses, a no-mar tip, a 1/4 in. NPT male plug and a carrying case, while the manual's standard accessories list safety glasses, a nose cap and a case. The Amazon listing's model field reads NT65MA4.
Air supply
Metabo HPT's page and the manual give 70 to 120 psi. The manual's air table lists .038 cubic feet per cycle at 80 psi, .042 at 90 psi and .045 at 100 psi, and its worked example puts 3 nailers at 100 psi driving 30 nails a minute at 4.9 CFM.
The manual says never to connect the nailer to pressure that can exceed 200 psi, to use only clean, dry, regulated compressed air, and to drain the compressor daily, since moisture or oil in it may speed wear and corrosion in the nailer.
15-gauge angled or 16-gauge straight
This hub's other finish nailer, the NT65M2S, takes 16-gauge nails from 1 to 2-1/2 in. in a straight magazine and weighs 3.7 lbs. The NT65MA4 takes 15-gauge nails from 1-1/4 to 2-1/2 in. in a 34 degree magazine and weighs 4.2 lbs, so it is the heavier of the two (our comparison of Metabo HPT's pages).
Metabo HPT says the NT65MA4's compact body and angled magazine make it easier to place and use in tight angles. The manual's applications list manufactured housing, on-site and mobile home construction, cabinets, furniture and woodworking.
Firing modes, duster and depth
A switching device selects single sequential or contact actuation. The manual warns that in contact firing, if the push lever touches the work again after recoil, an unwanted nail is driven, and for intermittent work it says to set single actuation and pull the trigger rapidly and firmly.
Pressing a knob with your thumb blows shavings off the work. The manual says long use of the duster can lower nailing force for a while, and that oil or water from the compressor can sometimes spout from its outlet. Depth adjusts with a tool-less dial, and Metabo HPT lists a 360 degree exhaust port.
Oil, cold weather and warranty
The manual calls for Hitachi pneumatic tool lubricant through a lubricator, or 5 to 10 drops into the air plug twice a day without one, and says not to store the nailer in the cold. It asks for genuine nails made for the NT65MA4.
Metabo HPT's page says the NT65MA4 is covered by its Professional 5-Year Tool Warranty. The manual Metabo HPT links is printed under the older Hitachi name.
Common questions
What nails does the Metabo HPT NT65MA4 take?
15-gauge angled finish nails from 1-1/4 to 2-1/2 in., in a 34 degree magazine that holds 100, per Metabo HPT.
How much air does the NT65MA4 use?
The manual gives .045 cubic feet per cycle at 100 psi, within a 70 to 120 psi operating range.
Is the NT65MA4 a 16-gauge nailer?
No. It takes 15-gauge angled nails. The 16-gauge straight finish nailer in this guide set is the NT65M2S.
Check the current listing
Main caveat to weigh before ordering: Needs a compressor, hose and pneumatic tool oil.
Primary sources
- 2-1/2 Inch 15 Gauge Angled Finish Nailer with Air Duster (NT65MA4) | Metabo HPT
- Metabo HPT NT65MA4 Tool Card (linked from the Metabo HPT page)
- NT65MA4 Finish Nailer Instruction and Safety Manual (linked from the Metabo HPT page)
Primary sources checked .
Compare with
Side-by-side pages, this model next to: DEWALT DWFP12231 18-Gauge 2 in. Pneumatic Brad Nailer Kit, Metabo HPT NT65M2S 16-Gauge 2-1/2 in. Pneumatic Finish Nailer, Metabo HPT NT50AE2 18-Gauge 2 in. Pneumatic Brad Nailer, Metabo HPT NT1850DG 18V Cordless 18-Gauge Brad Nailer Kit (2.0Ah), Metabo HPT NT1865DAA 18V MultiVolt Brushless 15-Gauge Angled Finish Nailer Kit (2.0Ah).