Grex 23 Gauge Headless Pinner

Dimensions –  7.75″ L x 7.5″ H x 2″ W  (20cm x 19cm x 5cm)

Weight ~ 2.21 lb (1 kgs)

Operating Pressure ~ 60 – 100 psi  (4 – 7 bars)

Fastener Type ~ 23 Gauge Headless Pins

Fastener Range ~ 3/8″ – 1-3/8″ (10mm x 35mm) excluding 1-1/4″ (32mm)

Fastener Capacity ~ 1 strip (approx. 100 pins)

Air Inlet ~ 1/4″ (6mm) NPT male plug

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SKU: P635 Categories: ,


The P635 is ideal for finishing and detailed woodworking. After carefully considering today’s manufacturing, on-site, and shop needs, we decided to refine the P630, creating the P635 industrial strength 23-gauge headless pinner. Hence, the P635 (and its successors: P645, P645L, P650, P650L) offer many new competent and beneficial features.

High Tolerance – Posit-Lock™ Nose Cover: A high tolerance precision machined hardened steel driver, nose cover and nose guide assembly aligns and seats the headless pin for optimal drive performance.

Performance Enhanced Innovative and Patented Magazine: The GREX P635 sports a lightweight aluminum (not plastic) extruded magazine; stair-stepped magazine, increasing access to tighter areas and more angles; automatically adjusts to pin size, accepts headless pins from 3/8″ to 1 3/8″; the rear magazine cap allows for both hex wrench and spare no-mar tip storage; a durable yet operator friendly magazine latch; and last but not least a fastener supply window showing pin supply.

What’s more: A swivel disconnect, prevents air-hose tangles; detachable no-mar tip, prevents project damage; no-mar tip has four sight guidelines, increasing pinning accuracy; side bumpers, prevent tool and project damage; convenient belt hook; and rear exhaust using a silencer.

The P6 Series comes in seven different designs: P630, P635, P645, P645L, P650, P650L and the P650LX.

GREX, demanded by Pros, for more than 20 years now has been helping professionals rise to the top of their trade.