21 Degree Framing Nails Flat D Head Galvanized Ring Shank - 2 in

In this review the Therwen 21 degree framing nails earn a recommendation for builders and serious DIYers who need a reliable collated framing nail that works in most plastic strip framing nailers. The single biggest reason to buy is straightforward: a durable ring shank nail with electric galvanizing that resists rust and holds pressure treated lumber securely, supplied in a 1000 count pack so you can keep working without frequent reloads. Performance, compatibility, and corrosion resistance are the main strengths shown here.

Key Features

• 1000 count pack: Provides a substantial supply that reduces downtime for medium to large framing jobs.
• 2 in length, 0.131 in diameter: A common framing size that offers good penetration and shear strength for studs and sheathing.
• 21 degree collated plastic strip: Fits most 21 degree plastic strip framing nail guns for fast, organized loading.
• Electric galvanizing: Improves surface quality and corrosion resistance so the nails resist rust in outdoor and treated-wood applications.
• Ring shank design: Enhances withdrawal resistance in wood, helping framing and floor sheathing stay secure under load.
• Q235 carbon steel construction: Gives consistent strength and reduces the chance of deformation during driving.

Who It's For

The Therwen 21 degree framing nails are best for contractors, carpenters, and DIYers who routinely work with pressure treated lumber, floor sheathing, or general framing where a strong mechanical hold is required. They are particularly useful when you want a corrosion-resistant nail for exterior or moist-environment projects.

Those with non-plastic strip nailers, or who need longer specialty nails or stainless steel fasteners for extreme marine exposure, should look elsewhere; this product is optimized for 21 degree plastic collated framing guns and general treated-wood construction rather than specialty fastener uses.

Pros & Cons

Pros

• Good value: the 1000 count allows long runs between reloads and reduces per-nail cost.
• Corrosion resistance: electric galvanizing helps performance for outdoor and treated-wood work.
• Strong hold: ring shank increases withdrawal resistance for framing and flooring tasks.
• Compatibility: designed for most 21 degree plastic strip framing nail guns for easier loading and feed.

Cons

• Some users reported occasional nail damage or jam resistance in certain nailers, so performance can vary by tool.

Specifications

Count	1000 nails
Length	2 in
Diameter	0.131 in
Collation angle	21 degree plastic strip
Head type	Flat D head
Shank type	Ring shank
Finish	Electric galvanized

Our Verdict

The Therwen 21 degree framing nails are a sensible choice for most framing and sheathing work where a dependable hold and corrosion resistance matter. With ring shanks, electric galvanizing, and a 1000 count supply they deliver solid value for builders using compatible plastic strip nailers, though users should test feed compatibility with their specific tool to avoid occasional jams.

Frequently Asked Questions

Will these nails work in my 21 degree plastic strip framing nailer?
Yes, they are designed for most 21 degree plastic strip framing nail guns, but you should verify fit and feed with your specific model before a large job.

Are these nails suitable for pressure treated lumber?
Yes, the electric galvanizing finish is intended to resist corrosion and the ring shank improves holding power in pressure treated wood.

Can these nails be used for flooring and sheathing?
Yes, users report good performance for subfloor and 3/4 in plywood sheathing, thanks to the ring shank and 2 in length.