
KEENTECH KT-P635AKEENTECH 23GA Pneumatic Pin Nailer
Leads our ranking with a 160-nail magazine and a 60 to 120 PSI range.
- Top nail length
- 1.375 in
- Tool weight
- 2.30 lb
- Magazine capacity
- 160 nails
A 23 gauge pin nailer drives headless pins that leave tiny holes. That makes it a good fit for fine trim, cabinet work and glue-ups where a brad would show. The nail length range matters most because it sets how thick a piece you can hold. The operating pressure has to match your compressor. Weight affects comfort over long sessions, and depth adjustment keeps pins flush without marring the face. We put 5 air-powered pin nailers on one spec sheet so you can compare them side by side.
Quick answer
Ranked from 5 pin nailers that met our standard, compared on operating pressure range, nail length range, tool weight.
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Leads our ranking with a 160-nail magazine and a 60 to 120 PSI range.

Weighs 2 lb and lists depth adjustment plus a 5-year warranty.

The only oil-free model here, driving pins from 0.375 to 1 in.
| Spec | |||||
|---|---|---|---|---|---|
| Best Scoreout of 100 | 74 | 58 | 57 | 41 | 39 |
| Power source | Pneumatic | Pneumatic | Pneumatic | Pneumatic | Pneumatic |
| Nail gaugega | 23 ga | 23 ga | 23 ga | 23 ga | 23 ga |
| Nail length rangein | 0.5–1.375 | 0.625–1.375 | 0.375–1 | 0.5–2 (best in row) | 0.156–1 |
| Tool weightlb | 2.30 lb | 2.00 lb | — | 3.30 lb | 1.87 lb (best in row) |
| Magazine capacitynails | 160 nails (best in row) | 100 nails | — | 100 nails | 100 nails |
| Operating pressurePSI | 60–120 | 65–100 | — | 64–100 | 60–120 |
| Depth adjustment | — | Yes | — | Yes | — |
| Oil-free operation | — | — | Yes | — | — |
| Dual safety trigger | Yes | Yes | Yes | Yes | — |
| Side-load magazine | — | Yes | Yes | Yes | — |
| Nails includedpcs | 2160 pcs | — | — | — | — |
| Warrantyyr | 3 years | 5 years (best in row) | — | 5 years (best in row) | 3 years |
We reviewed 20 pin nailers and kept only the 5 that pass every check below. Those are ranked by a Best Score built from spec fit for this job, sales rank.
Each review below is based on specifications and listing information. We explain what each spec means for fine trim and delicate woodworking.
Largest magazine here, with a broad pressure range
The KEENTECH KT-P635A leads our ranking, and its spec sheet shows why. It drives 23 gauge pins from 0.5 to 1.375 in. That covers thin veneer and small moldings up to window and door trim. Its magazine holds 160 nails, the most of any model on this page, so you stop to reload less often on long trim runs.
It runs on 60 to 120 PSI. That ties for the highest top pressure in this group and gives you room to dial in a small home compressor. At 2.3 lb it sits in the middle of the weight range, light enough for long sessions. A dual safety trigger guards against accidental firing, and the kit ships with 2160 nails in three sizes.
The gap is depth control. KEENTECH does not list a depth adjustment, so you may need to tune air pressure to keep pins flush on softer woods. The warranty runs 3 years, shorter than the 5 years Metabo HPT offers.
VerdictIt is the best all-round pick here for trim carpenters who want fewer reloads and flexible compressor settings.
Metabo HPT NP35A: Light, with depth control and 5-year warranty
Ranked second, the Metabo HPT NP35A is built around control. It is one of only two models here that list a depth adjustment. That lets you set pins flush without denting soft or prefinished stock. It matters most on cabinet faces, picture frames and glazing bead, where a proud or sunk pin shows.
At 2 lb it is the second lightest among the models that list weight, which helps during long sessions. It takes pins from 0.625 to 1.375 in and adjusts automatically to the length you load. Pressure runs from 65 to 100 PSI, so check that your compressor regulator can hold that window. A dual trigger and side-load magazine round out the feature list.
The trade-offs are capacity and short pins. The magazine holds 100 nails, and the shortest pin it takes is 0.625 in. Very thin veneer or tiny craft parts may need a different tool. The 5-year warranty is the longest listed here, shared with its NP50A sibling.
VerdictPick the NP35A when a clean, flush finish on visible trim matters more than how often you reload.
Arrow PT23G: Oil-free pinner for short pins and hobby work
The Arrow PT23G ranks third and is aimed at crafts, hobby projects and small molding. It drives pins from 0.375 to 1 in. That short range suits craft pieces, thin trim and glue-up work. It also ties for the lowest maximum length on the page, so it will not reach through thicker casing into framing.
It is the only model here listed as oil-free. You skip the drop of oil before each session and lower the risk of oil spotting on bare wood. The side-load magazine makes clearing jams easier, and the two-step safety trigger needs a deliberate action before it fires. It runs on home compressors up to 100 PSI.
Arrow leaves several key specs out. The maker does not publish weight, magazine capacity, a minimum pressure or a warranty term, and no depth adjustment is listed. That makes it harder to compare against the others on comfort and finish control.
VerdictThe PT23G makes sense for hobby and craft work with short pins, but it is not the tool for thicker trim.
Metabo HPT NP50A: Longest pin reach, heaviest body
Need a pinner that can hold thicker stock? The NP50A drives pins from 0.5 to 2 in, the longest reach of any model on this page. That extra length helps when pinning thick crown, stacked moldings or hardwood parts where a short pin would not grip. It ranks fourth, and the trade-offs are weight and capacity.
Depth of drive adjustment lets you countersink or set pins flush. A no-mar tip comes in the box to protect finished faces. An automatic dry-fire lockout stops the tool when 6 nails or fewer remain, which saves your surface from blank strikes. Pressure runs 64 to 100 PSI, and a trigger lock switch guards against accidental firing.
At 3.3 lb it is the heaviest model that lists weight, and you will feel that over a full day of overhead trim. The magazine holds 100 nails. It also ships with lubricant oil, which suggests regular oiling. The 5-year warranty ties for the longest here.
VerdictThe NP50A is the one to choose when pin length matters more than tool weight.
EASEWORK EW-P625PIN: Lightest body, shortest pins, few listed features
Weight is where the EASEWORK EW-P625PIN stands out. At 1.87 lb it is the lightest model that lists weight, which helps with hand fatigue during long trim or craft sessions. It ranks fifth on our list, but it makes a real case for small, delicate work.
It takes pins from 0.156 to 1 in, the shortest minimum on the page. Very short pins are useful for thin veneer, small craft parts and picture frame assembly. The trade-off is the top end: 1 in ties for the lowest maximum, so thicker trim is out of reach. It runs on 60 to 120 PSI and holds 100 nails.
The spec sheet is thin on finish control. EASEWORK does not list depth adjustment or a dual safety trigger, so you manage drive depth through air pressure. The warranty is 3 years, with replacement rather than repair according to the listing.
VerdictFor light handling and tiny pins on delicate projects, the EW-P625PIN fits, but it is not a full trim tool.
Best among the reviewed tools
Pin length decides how thick a piece you can fasten. Ranges on this page run from 0.156 in at the short end to 2 in at the long end. Short pins suit veneer and craft parts. Longer pins hold thicker moldings. Pick a tool whose range covers the trim you use most.
Every pneumatic pinner lists a working pressure. Models here top out at either 100 or 120 PSI, and the lowest listed minimum is 60 PSI. Set your compressor regulator inside the range. Too much pressure can sink pins too deep, and too little can leave them standing proud.
Tool weight on this page runs from 1.87 lb to 3.3 lb. That gap adds up when you hold a nailer overhead or pin hundreds of small parts. If you work in long stretches, lean toward the lighter tools, unless you need the longer pin range of a heavier one.
Depth adjustment lets you set pins flush or slightly below the surface without a separate setting tool. Only the two Metabo HPT models list it. On the others, you control depth through air pressure. That works, but expect a few trial shots on scrap before the real piece.
It drives thin, headless pins for fine trim, small moldings, cabinets, picture frames and craft work. The holes are small enough that they often need little or no filler. Pins have limited holding power, so they are often used with glue to hold parts while it dries.
The models on this page list ranges from 60 to 120 PSI on the wide end and 65 to 100 PSI on the narrow end. Set the regulator within your tool's range. Then adjust on scrap wood until the pins sit flush with the surface.
The Metabo HPT NP50A drives 23 gauge pins up to 2 in, the longest on this page. The KEENTECH KT-P635A and Metabo HPT NP35A reach 1.375 in. The Arrow PT23G and EASEWORK EW-P625PIN top out at 1 in.
It depends on the model. The Arrow PT23G is the only tool on this page listed as oil-free. The Metabo HPT NP50A ships with lubricant oil. The other makers do not state oil requirements in their listings, so check the manual before first use.
Your own selection is kept in the link, so friends see the same side-by-side.