7/8 Inch x .120
KYA
KYA-3.05x22SM
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KYA 15 Degree 7/8 Inch x .120 Smooth Shank Roofing Nails are wire-collated coil roofing nails designed for compatible pneumatic roofing nailers. The featured model uses a 22mm / 7/8 inch length, 3.05mm / .120 inch shank diameter, smooth shank, wide roofing head, diamond point and electro-galvanized finish.
The current KYA product code is KYA-3.05x22SM. Standard packaging is 120 nails per coil and 60 coils per carton, for a total of 7,200 nails per carton.
The 7/8-inch length is a short roofing-nail configuration. It should be selected according to shingle thickness, roofing accessory thickness, deck thickness, required penetration and local fastening requirements rather than treated as a universal roofing length.

| Specification | Details |
|---|---|
| Product | 15° Wire-Collated Coil Roofing Nail |
| KYA Code | KYA-3.05x22SM |
| Length | 7/8 in. / approximately 22mm |
| Shank Diameter | .120 in. / 3.05mm |
| Shank Type | Smooth Shank |
| Point Type | Diamond Point |
| Head Type | Wide Flat Roofing Head; confirm exact head diameter if required |
| Material | Steel |
| Finish | Electro-Galvanized |
| Collation Type | Wire Coil |
| Collation Angle | 15° nominal roofing coil format |
| Nails per Coil | 120 pcs |
| Coils per Carton | 60 coils |
| Nails per Carton | 7,200 pcs |
| Compatible Tool Type | Wire-coil roofing nailer rated for .120 in. diameter and 7/8 in. length |
Important: do not describe 7,200 as nails per coil. The current KYA roofing-nail family specification is 120 nails per coil × 60 coils per carton = 7,200 nails total.
Request 7/8" Roofing Nail Pricing
The nails are connected by wire welds and formed into a coil for automatic feeding through compatible roofing nailers. The collation format allows 120 fasteners to be loaded in one coil for repetitive roofing work.
The featured 7/8-inch SKU uses a smooth shank. Smooth-shank roofing nails support straightforward driving and are widely used where the roofing system does not require a deformed or ring-shank fastener.
The wide roofing head distributes bearing force over the shingle, felt or roofing material and helps reduce pull-through compared with small-head construction nails. Confirm the exact head diameter when a roofing specification defines a minimum head size.
The diamond point supports penetration into suitable wood decking and nailable roofing substrates. Driving performance depends on deck material, thickness, nailer pressure and fastener setup.
A 7/8-inch roofing nail is shorter than the lengths commonly specified for many standard asphalt-shingle installations. Correct fastener length depends on the combined roofing-material thickness and required penetration into the roof deck.
| Application | 7/8" Selection Guidance |
|---|---|
| Asphalt Shingles | Use only where the shingle manufacturer, deck thickness and required penetration permit a 7/8-inch nail |
| Open Soffit / Exposed Underside Details | Shorter nails can be relevant where excessive nail penetration through the deck must be avoided and the roofing system permits it |
| Roofing Felt / Underlayment | Can be considered where the roofing-system specification allows coil roofing nails of this size |
| Insulation Board | Verify board thickness, deck penetration and system requirements before use |
| Hip / Ridge / Ridge Vent | Usually requires longer fasteners; do not assume 7/8 inch is sufficient |
| Multiple-Layer Re-Roofing | Additional roofing thickness generally requires a longer fastener |
Electro-galvanizing applies a relatively thin zinc coating to carbon steel. It provides corrosion protection compared with bright untreated steel but should not automatically be treated as equivalent to hot-dip galvanized or stainless steel.
For exposed coastal roofing, salt-air environments, preservative-treated wood, cedar, redwood or other corrosive conditions, confirm the roofing-material manufacturer's fastener requirements and select a more corrosion-resistant material or finish where required.
Roofing Nail Head
Diamond Point
Smooth Shank
| Shank Type | General Characteristic | Selection |
|---|---|---|
| Smooth Shank | Straight cylindrical shank for conventional driving | Featured configuration on this 7/8-inch page |
| Ring Shank | Annular rings increase engagement with wood fibers | Applications requiring greater resistance to back-out where specified |
| Screw Shank | Twisted profile rotates during driving into suitable wood | Special wood-fastening applications rather than the featured SKU |
The following table preserves the current KYA roofing-nail family data while separating it from the featured 7/8-inch electro-galvanized smooth-shank SKU.
| Length | Diameter | Shank | Finish | Pcs / Box |
|---|---|---|---|---|
| 3/4" / 19mm | .120" / 3.05mm | Smooth | Electro-Galvanized | 7,200 |
| 7/8" / 22mm | .120" / 3.05mm | Smooth | Electro-Galvanized | 7,200 |
| 1" / 25mm | .120" / 3.05mm | Smooth | Electro-Galvanized | 7,200 |
| 1-1/4" / 32mm | .120" / 3.05mm | Smooth | Electro-Galvanized | 7,200 |
| 1-1/2" / 38mm | .120" / 3.05mm | Smooth | Electro-Galvanized | 7,200 |
| 1-3/4" / 44mm | .120" / 3.05mm | Smooth | Electro-Galvanized | 7,200 |
| 3/4" / 19mm | .120" / 3.05mm | Ring | Electro-Galvanized | 7,200 |
| 1-1/4" / 32mm | .120" / 3.05mm | Ring | Electro-Galvanized | 7,200 |
| 1-1/2" / 38mm | .120" / 3.05mm | Ring | Electro-Galvanized | 7,200 |
| 1" / 25mm | .120" / 3.05mm | Smooth | Hot-Dip Galvanized | 7,200 |
| 1-1/4" / 32mm | .120" / 3.05mm | Smooth | Hot-Dip Galvanized | 7,200 |
| 1-1/2" / 38mm | .120" / 3.05mm | Smooth | Hot-Dip Galvanized | 7,200 |
| 1-3/4" / 44mm | .120" / 3.05mm | Smooth | Hot-Dip Galvanized | 7,200 |
| 3/4"–1-3/4" | .120" / 3.05mm | Smooth | Stainless Steel 304 | 3,600 / 7,200 depending on configuration |
| 3/4"–1-3/4" | .120" / 3.05mm | Ring | Stainless Steel 316 | 3,600 |
| Finish / Material | General Use Consideration |
|---|---|
| Bright | Uncoated steel for dry applications where corrosion protection is not required |
| Electro-Galvanized | Basic zinc protection for appropriate low-corrosion roofing environments |
| Hot-Dip Galvanized | Heavier zinc coating for applications requiring greater corrosion protection |
| 304 Stainless Steel | Higher corrosion resistance for demanding environments where 304 is specified |
| 316 Stainless Steel | Higher chloride resistance for coastal and aggressive environments where 316 is specified |
| DACR / Mechanical Galvanized | Special coating options within the wider KYA range; confirm exact corrosion specification before ordering |
Roofing fastener brands do not always use identical nominal angle terminology. Similar wire-coil roofing nails may be marketed as 15° by one supplier and 16° by another. Angle terminology alone should therefore not be used to determine tool compatibility.
For the featured KYA nail, confirm that the roofing nailer accepts .120-inch diameter wire-collated roofing nails with a 7/8-inch minimum length and the corresponding coil diameter and magazine format.
| Compatibility Parameter | KYA 7/8" Requirement |
|---|---|
| Nail Length | 7/8 in. / 22mm |
| Shank Diameter | .120 in. / 3.05mm |
| Collation | Wire Coil |
| Nominal Angle | 15° roofing coil format |
| Head | Wide roofing head; verify tool clearance and required head diameter |
| Coil Capacity | 120 nails per coil |
| Tool Manual | Must permit the complete fastener dimensions and wire-collated roofing format |
| Ordering Information | Information to Provide |
|---|---|
| Size | 7/8" × .120" / 22 × 3.05mm |
| Shank | Smooth Shank |
| Finish | Electro-Galvanized |
| Collation | 15° Wire Coil |
| Roofing Nailer | Provide exact manufacturer and model for compatibility confirmation |
| Roofing Material | Shingle, felt, underlayment, accessory or other product |
| Deck Thickness | Provide plywood, OSB or board thickness where relevant |
| Environment | Standard, humid, coastal, treated-wood or other exposure condition |
| Quantity | Cartons, pallets, container quantity or annual volume |
Send Your Roofing Nail Requirements
The featured nail is 7/8 inch / approximately 22mm long with a .120 inch / 3.05mm shank diameter.
The current KYA code is KYA-3.05x22SM.
The KYA roofing-nail family specification lists 120 nails per coil.
Standard KYA packaging is 60 coils × 120 nails = 7,200 nails per carton.
No. 7,200 is the carton quantity in the current KYA specification. One coil contains 120 nails.
They can be used only where the roofing system provides the required deck penetration with a 7/8-inch fastener. Many shingle installations require longer nails, so always follow the shingle manufacturer's installation instructions and local requirements.
A short roofing nail can be useful in specific roofing details where excessive penetration through the underside of the deck is undesirable and the roofing manufacturer permits the shorter fastener.
These assemblies usually add material thickness and commonly require longer roofing nails. Follow the ridge-cap or ventilation-product installation specification rather than assuming the 7/8-inch nail is sufficient.
“.120” refers to the nominal shank diameter in inches. The metric equivalent is approximately 3.05mm.
This specific product uses a smooth shank.
KYA lists ring-shank configurations within its broader roofing-nail range. Confirm the exact length, finish and packaging required for the ring-shank version.
Do not assume standard electro-galvanized nails are suitable for preservative-treated lumber. Treated wood can require more corrosion-resistant fasteners such as an approved hot-dip galvanized or stainless steel specification.
Electro-galvanized nails are generally not the preferred choice for aggressive salt-air or coastal exposure. Confirm whether stainless steel or another corrosion-resistant specification is required.
No. The roofing nailer must accept .120-inch diameter wire-collated nails with a 7/8-inch minimum length and the corresponding coil dimensions.
Some manufacturers use slightly different nominal angle terminology for similar wire-coil roofing fastener systems. Always use the nailer's accepted diameter, length, collation material and coil format to determine compatibility.
Contact KYA Fasteners regarding current sample availability. Test the exact fastener with the intended roofing nailer, roofing material and deck before bulk use.
KYA supplies wire-collated roofing nails for roofing-material distributors, fastener wholesalers, pneumatic-tool distributors, contractors and professional roofing suppliers.
For quotations on 15° 7/8" × .120 smooth-shank electro-galvanized coil roofing nails, provide the required quantity, roofing nailer model, roofing application, finish requirement, packaging and destination market.
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