CN70 Pneumatic Coil Siding Nail Gun is a professional air nailer designed for siding, decking, sheathing, framing, subflooring, wooden fencing, crating, pallets, drums, and export wooden box assembly. Built with an aluminum body, adjustable depth control, and a 225–300 nail magazine capacity, the CN70 coil nailer supports high-volume fastening work in construction and wood packaging applications.
This pneumatic coil siding nail gun drives 15 degree flat wire coil nails from 45mm to 70mm, with 2.3mm–2.9mm shank diameter and 5.0mm–7.0mm head diameter. It operates at 70–120 psi and supports smooth, screw, and ring shank nails for different holding strength requirements.
CN70 pneumatic coil nailer for siding, decking, sheathing, framing, pallets, and crating.
Compatible with 15 degree flat wire coil nails.
225–300 nails per load for high-volume fastening work.
Adjustable depth guide for precise nailing control.
Aluminum body construction for durability and easier handling.
Similar to MAX CN70 and Bostitch N70CB style coil nailers.
Buyers should confirm tool dimensions, weight, operating pressure, load capacity, compatible nail angle, nail length, shank diameter, head diameter, and shank type before ordering. The following specifications apply to the CN70 Pneumatic Coil Siding Nail Gun.
| Attribute | Details |
|---|---|
| Model | CN70 Pneumatic Coil Siding Nail Gun |
| Tool Type | Air Nailer |
| Dimensions | 315mm x 128mm x 306mm / 12-7/16" x 5" x 12-1/16" |
| Weight | 3.67 kg / 8.07 lbs |
| Body Material | Aluminum |
| Operating Pressure | 70–120 psi / 5–8.3 bar |
| Load Capacity | 225–300 nails |
| Fastener Type | 15 Degree Flat Wire Coil Nails |
| Head Diameter | 5.0mm–7.0mm / 0.197"–0.276" |
| Shank Diameter | 2.3mm–2.9mm / 0.091"–0.113" |
| Nail Length | 45mm–70mm / 1-3/4"–2-3/4" |
| Shank Type | Smooth, Screw, Ring |
| Similar Tools | MAX CN70, Bostitch N70CB |
The CN70 pneumatic coil nailer is designed for fast loading, high-volume firing, and consistent driving depth. It is suitable for contractors, pallet manufacturers, wooden packaging suppliers, construction crews, fencing suppliers, and tool distributors.
Lightweight aluminum body for durability and easier handling.
Adjustable depth guide for precise nailing.
Dial adjustable depth control without tools.
Drives 225–300 nails continuously.
Powerful and rapid nailing performance for high-volume production.
High durability bumper and driver for long service life.
Extra heavy-duty die-cast aluminum construction.
CN70 Pneumatic Coil Siding Nail Gun is used in construction fastening, wood packaging production, siding installation, decking, fencing, crating, framing, and pallet repair. It is suitable for users who need fast continuous nailing with 15 degree flat wire coil nails.
Assembly and repair of pallets, drums, and export wooden boxes.
Wooden fencing and crating.
General construction fastening.
Siding, decking, and sheathing.
Framing and subflooring.
Industrial wood fastening and packaging production.
Correct nail selection is critical for feeding stability, driving power, and fastening quality. The CN70 is designed for 15 degree flat wire coil nails within the following size range.
| Nail Parameter | Compatible Range |
|---|---|
| Nail Type | 15 Degree Flat Wire Coil Nails |
| Head Diameter | 5.0mm–7.0mm / 0.197"–0.276" |
| Shank Diameter | 2.3mm–2.9mm / 0.091"–0.113" |
| Nail Length | 45mm–70mm / 1-3/4"–2-3/4" |
| Shank Type | Smooth, Screw, Ring |
The following troubleshooting guide helps identify common operating problems, possible causes, and basic solutions for the CN70 pneumatic coil nailer. Always disconnect the air supply before inspection, cleaning, or part replacement.
| No. | Symptom | Problems | Solutions |
|---|---|---|---|
| 1.1 | Air leak in the cylinder cap when tools don't work | Loose head valve piston seal or o-rings | Check and replace the head valve piston set |
| Worn or damaged o-ring or cylinder cap gasket under cylinder cap | Check and replace o-ring or cylinder cap gasket under the cylinder cap | ||
| 1.2 | Air leak in trigger area when tools don't work | Damaged o-ring in trigger valve | Check and replace o-ring |
| Damaged o-ring in trigger valve stem | Check and replace o-ring | ||
| Dirt in the trigger valve | Check and clean the trigger valve | ||
| 1.3 | Air leak in cylinder cap when tools are working | Damaged head valve piston o-rings | Check and replace o-rings |
| Damaged seal under cylinder cap | Check and replace seal | ||
| 1.4 | Air leak in nose when tools are working | Worn or damaged bumper | Check and replace bumper |
| Loose driver piston unit thread | Check and replace driver piston unit | ||
| 1.5 | Air leak in trigger area when tools are working | Worn or damaged trigger valve head | Check and replace trigger valve head |
| Damaged head valve piston o-rings | Check and replace head valve piston o-rings | ||
| - | - | ||
| 2 | Failed to get driver piston unit back to the correct position completely | The driver piston unit is not straight or the driver guide nose is wrongly assembled | Straighten the driver piston unit or verify driver guide nose and magazine |
| Worn or damaged nozzle | Check and replace nozzle | ||
| The space between piston o-ring and cylinder is too tight | Check whether the cylinder has adequate lubrication or replace the o-ring on the piston | ||
| 3 | Work weakly and sluggishly | Worn or damaged piston o-ring | Check and replace piston o-ring |
| Inadequate lubrication for head valve piston o-rings or too tight head valve piston o-rings | Place 2 or 6 drops of oil on o-rings or replace head valve piston o-rings | ||
| Dirt in the nozzle | Check and clean the nozzle | ||
| 4 | Tool jams frequently | Damaged or worn driver piston unit | Check and replace driver piston unit |
| Damaged or worn driver guide nose | Check and replace driver guide nose | ||
| Driver guide cover is bent, so the space between driver guide cover and driver guide is too big | Check and replace driver guide cover | ||
| 5 | Nail cannot be shot | Driver piston unit can't return to the correct position | Refer to symptom No. 1 |
| Driver guide nose cannot match magazine well | Check and correct the position between driver guide nose and magazine | ||
| Worn or damaged nail pusher compression spring | Check and replace nail pusher compression spring |
Buyers should select a CN70 coil nailer according to nail length range, nail shank diameter, magazine capacity, tool weight, operating pressure, application type, and spare parts availability. For siding, decking, pallets, wooden boxes, fencing, and framing, the CN70 is suitable when 45mm–70mm 15 degree flat wire coil nails are required.
| Selection Factor | Recommendation |
|---|---|
| Nail Compatibility | Confirm 15 degree flat wire coil nails with 45mm–70mm length and 2.3mm–2.9mm shank diameter. |
| Air Pressure | Use a stable air supply within 70–120 psi / 5–8.3 bar. |
| Application | Use CN70 for siding, decking, sheathing, framing, pallets, crating, fencing, drums, and export wooden boxes. |
| Magazine Capacity | Choose 225–300 nail capacity when continuous production efficiency is required. |
| Depth Control | Use adjustable depth control for precise nailing in different wood thicknesses and fastening applications. |
KYA Fasteners supplies pneumatic coil nailers, siding nail guns, framing nailers, coil nails, strip nails, staples, brads, hog rings, pneumatic tools, and fastening solutions for global distributors, contractors, pallet manufacturers, wooden packaging producers, fencing suppliers, and construction material wholesalers.
CN70 pneumatic coil siding nail gun for high-volume fastening.
Compatible with 15 degree flat wire coil nails from 45mm to 70mm.
225–300 nail load capacity for efficient continuous operation.
Adjustable depth guide and durable aluminum body.
Support for bulk orders, distributor supply, matching coil nails, spare parts, and OEM service.
It is used for siding, decking, sheathing, framing, subflooring, wooden fencing, crating, pallets, drums, and export wooden box assembly or repair.
CN70 is compatible with 15 degree flat wire coil nails, 45mm–70mm length, 2.3mm–2.9mm shank diameter, and 5.0mm–7.0mm head diameter. Smooth, screw, and ring shank nails can be used.
The CN70 operates at 70–120 psi / 5–8.3 bar. A stable compressed air supply within this range is recommended for consistent driving performance.
The CN70 can load 225–300 coil nails, depending on nail specification and coil format.
Yes. CN70 is suitable for assembly and repair of pallets, drums, export wooden boxes, crating, and other wood packaging applications requiring continuous coil nailing.
CN70 is similar to MAX CN70 and Bostitch N70CB style coil nailers. Buyers should still confirm nail size, magazine type, and application requirements before ordering.
Frequent jamming may be caused by a damaged or worn driver, damaged driver guide nose, bent driver guide cover, wrong nail specification, or poor tool maintenance. Check the driver, nose, magazine, and compatible nail size.
Bulk buyers include tool distributors, fastener distributors, pallet manufacturers, wooden packaging producers, construction contractors, fencing suppliers, siding installers, and building material wholesalers.
