The Pneumatic SRN9021 21 Degree Framing Nailer from KYA Fasteners is a lightweight, high-performance tool designed for professional framing, siding, and sheathing. Weighing only 3.9kg (8.6 lbs), it features an extruded aluminum magazine for durability and a rubber grip for comfort. It drives 21° plastic collated nails (2" to 3-1/4" length, 0.113" to 0.131" diameter) with tool-free depth adjustment and a selectable trigger for precision. Operating at 70-120psi, it offers fast nail driving and a 64-70 nail capacity for efficient workflows in construction and woodworking.
Lightweight at 3.9kg (8.6 lbs) for easy handling
Drives 21° plastic collated nails (2" to 3-1/4")
Extruded aluminum magazine for durability
Tool-free depth adjustment and selectable trigger
Fast nail driving for maximum efficiency
Rubber grip and adjustable rafter hook for comfort
| Specification | Details |
|---|---|
| Model | SRN9021 |
| Tool Type | Air Nailer |
| Dimensions | 554mm x 108mm x 340mm (21-13/16" x 4-1/4" x 13-3/8") |
| Weight | 3.9kg (8.6 lbs) |
| Body Material | Aluminum |
| Operating Pressure | 70-120psi (5-8.3bar) |
| Load Capacity | 64-70 nails |
| Nail Type | 21° Plastic Collated Strip Nails |
| Nail Head Diameter | 0.276" (7.0mm) - 0.283" (7.2mm) |
| Nail Shank Diameter | 0.113" (2.87mm) - 0.131" (3.33mm) |
| Nail Length | 2" (50mm) - 3-1/4" (83mm) |
| Nail Shank Type | Screw, Smooth, Ring |
The SRN9021 is optimized for professional framing and construction tasks. Contact KYA Fasteners for bulk orders or custom specifications. Download the instruction manual for detailed setup and maintenance guidance.
Request a Bulk QuoteLightweight and well-balanced at 3.9kg for easy operation
Hardened one-piece piston for superior power
Tool-free depth adjustment for flush or countersunk driving
Hardened claw tip reduces wear and slippage
Comfortable rubber grip with steel magazine
Designed for heavy-duty professional applications
The SRN9021 is ideal for heavy-duty construction and woodworking tasks requiring precision and durability.
Floor and wall framing
Window build-up
Wall sheathing
Mobile home and housing construction
Siding and bridging
| No. | Symptom | Problem | Solution |
|---|---|---|---|
| 1.1 | Air leak in cylinder cap when tool is idle | Loose head valve piston seal or o-rings | Check and replace head valve piston set |
| Worn or damaged o-ring or cylinder cap gasket | Check and replace o-ring or cylinder cap gasket | ||
| 1.2 | Air leak in trigger area when tool is idle | 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 tool is 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 tool is 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 tool is 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 | Driver (piston unit) fails to return to correct position | Driver (piston unit) not straight or driver guide (nose) misassembled | Straighten driver (piston unit) or verify driver guide (nose) and magazine |
| Worn or damaged nozzle | Check and replace nozzle | ||
| Tight space between piston o-ring and cylinder | Check cylinder lubrication or replace piston o-ring |
It uses 21° plastic collated strip nails, 2" to 3-1/4" in length, with shank diameters of 0.113" to 0.131".
It operates at 70-120psi (5-8.3bar).
Yes, it’s suitable for siding, sheathing, and housing construction with 2" to 3-1/4" nails.
Its lightweight design, tool-free depth adjustment, and hardened piston ensure precision and power for framing tasks.
It supports screw, smooth, and ring shank nails for versatile applications.
Regularly check and replace o-rings, seals, bumpers, and nozzles as outlined in the troubleshooting section. Refer to the instruction manual for details.
Ask a QuestionWith over 20 years of expertise, KYA Fasteners is a trusted leader in industrial tools, delivering the high-quality SRN9021 21 Degree Framing Nailer. Our SGS-certified production ensures precision and durability, serving clients in over 50 countries. We ship from Qingdao port within 20-30 days, offering customized solutions for construction needs.
Global Reach: Exporting to 50+ countries with reliable framing nailers
Premium Quality: Durable aluminum body with high-performance components
Fast Delivery: Ships worldwide in 20-30 days from Qingdao port
Custom Solutions: Tailored configurations for specific applications
Enhance your construction projects with the SRN9021. Request a free quote today to experience KYA's quality and service.
Contact KYA Fasteners
The Pneumatic SRN9021 21 Degree Framing Nailer from KYA Fasteners is a lightweight, high-performance tool designed for professional framing, siding, and sheathing. Weighing only 3.9kg (8.6 lbs), it features an extruded aluminum magazine for durability and a rubber grip for comfort. It drives 21° plastic collated nails (2" to 3-1/4" length, 0.113" to 0.131" diameter) with tool-free depth adjustment and a selectable trigger for precision. Operating at 70-120psi, it offers fast nail driving and a 64-70 nail capacity for efficient workflows in construction and woodworking.
Lightweight at 3.9kg (8.6 lbs) for easy handling
Drives 21° plastic collated nails (2" to 3-1/4")
Extruded aluminum magazine for durability
Tool-free depth adjustment and selectable trigger
Fast nail driving for maximum efficiency
Rubber grip and adjustable rafter hook for comfort
| Specification | Details |
|---|---|
| Model | SRN9021 |
| Tool Type | Air Nailer |
| Dimensions | 554mm x 108mm x 340mm (21-13/16" x 4-1/4" x 13-3/8") |
| Weight | 3.9kg (8.6 lbs) |
| Body Material | Aluminum |
| Operating Pressure | 70-120psi (5-8.3bar) |
| Load Capacity | 64-70 nails |
| Nail Type | 21° Plastic Collated Strip Nails |
| Nail Head Diameter | 0.276" (7.0mm) - 0.283" (7.2mm) |
| Nail Shank Diameter | 0.113" (2.87mm) - 0.131" (3.33mm) |
| Nail Length | 2" (50mm) - 3-1/4" (83mm) |
| Nail Shank Type | Screw, Smooth, Ring |
The SRN9021 is optimized for professional framing and construction tasks. Contact KYA Fasteners for bulk orders or custom specifications. Download the instruction manual for detailed setup and maintenance guidance.
Request a Bulk QuoteLightweight and well-balanced at 3.9kg for easy operation
Hardened one-piece piston for superior power
Tool-free depth adjustment for flush or countersunk driving
Hardened claw tip reduces wear and slippage
Comfortable rubber grip with steel magazine
Designed for heavy-duty professional applications
The SRN9021 is ideal for heavy-duty construction and woodworking tasks requiring precision and durability.
Floor and wall framing
Window build-up
Wall sheathing
Mobile home and housing construction
Siding and bridging
| No. | Symptom | Problem | Solution |
|---|---|---|---|
| 1.1 | Air leak in cylinder cap when tool is idle | Loose head valve piston seal or o-rings | Check and replace head valve piston set |
| Worn or damaged o-ring or cylinder cap gasket | Check and replace o-ring or cylinder cap gasket | ||
| 1.2 | Air leak in trigger area when tool is idle | 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 tool is 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 tool is 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 tool is 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 | Driver (piston unit) fails to return to correct position | Driver (piston unit) not straight or driver guide (nose) misassembled | Straighten driver (piston unit) or verify driver guide (nose) and magazine |
| Worn or damaged nozzle | Check and replace nozzle | ||
| Tight space between piston o-ring and cylinder | Check cylinder lubrication or replace piston o-ring |
It uses 21° plastic collated strip nails, 2" to 3-1/4" in length, with shank diameters of 0.113" to 0.131".
It operates at 70-120psi (5-8.3bar).
Yes, it’s suitable for siding, sheathing, and housing construction with 2" to 3-1/4" nails.
Its lightweight design, tool-free depth adjustment, and hardened piston ensure precision and power for framing tasks.
It supports screw, smooth, and ring shank nails for versatile applications.
Regularly check and replace o-rings, seals, bumpers, and nozzles as outlined in the troubleshooting section. Refer to the instruction manual for details.
Ask a QuestionWith over 20 years of expertise, KYA Fasteners is a trusted leader in industrial tools, delivering the high-quality SRN9021 21 Degree Framing Nailer. Our SGS-certified production ensures precision and durability, serving clients in over 50 countries. We ship from Qingdao port within 20-30 days, offering customized solutions for construction needs.
Global Reach: Exporting to 50+ countries with reliable framing nailers
Premium Quality: Durable aluminum body with high-performance components
Fast Delivery: Ships worldwide in 20-30 days from Qingdao port
Custom Solutions: Tailored configurations for specific applications
Enhance your construction projects with the SRN9021. Request a free quote today to experience KYA's quality and service.
Contact KYA Fasteners
