Countersunk Flat Head Torx Deck Screw with Knurle

Complies with ISO 7047, ANSI B18.6.3, DIN 7982; wood-specific construction fasteners
Material: Carbon steel (1018/45#), stainless steel (304); strength grades 4.8–10.9
Structure: Countersunk flat head + ribs (shaft ribs) + wood-optimized thread + drill tip (full thread)
Surface treatments: Hot-dip galvanizing, phosphate coating, black oxide
Size M4–M8, length 30–100mm (for solid wood/engineered wood)
Designed for building frameworks, wood splicing, and construction wood connections

Core Features of Countersunk Flat Head Torx Deck Screw with Knurle

Countersunk head: Flush installation, no protrusions, safe for construction operations
Shaft ribs: Reduces wood splitting, enhances friction, improves anti-loosening performance
Drill tip + wood thread: No pre-drilling, efficient penetration, strong bite force
High pull-out resistance: Optimized thread pitch + ribs, stable load-bearing for construction
Corrosion-resistant: Adapts to indoor/outdoor construction environments, long durability

Product Parameter (Specification)

Standard

DIN,ASTM/ANSI, ISO

Material

Carbon steel, Stainless Steel,Brass,Aluminum

Surface Treatment

Zinc Plated, Hop Dip Galvanized(HDG) phosphorization,

Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated

Size

ST 2.2mm-6.4

#0-1/2″

Unite

Piece,KGS,TON

Packing

Bulk cartons with pallet, small boxes in cartons with pallet

Product Application

Countersunk Flat Head Deck Screw with ribs for wood is widely used in furniture manufacturing, interior decoration, wood flooring, wooden wall panels, construction, solar photovoltaic mounting, wood product processing, shipbuilding industry, decks, cabin partitions, park benches, outdoor tables and chairs, wooden walkways, agriculture and gardening.

Countersunk Flat Head Torx Deck Screw with Knurle Application Scenario Table

Application Field	Specific Scenarios	Standards & Grades	Key Considerations
Household Outdoor	Patio decking boards, garden furniture (benches, tables), wooden fences, flower bed edging, outdoor shelf mounts.	Carbon steel 5.6/8.8 (zinc-aluminum coated), Stainless steel A2-70.	Torx head anti-slip; Knurle reduces friction; Countersunk flat head stays flush; Weather-resistant.
Landscape Construction	Wooden walkways, park decking, outdoor railings, retaining wall wooden panels, scenic spot wooden pavilions.	Carbon steel 8.8 (hot-dip galvanized), Stainless steel A4-80.	Strong grip on hard/soft wood; Corrosion-resistant for outdoor use; Fast installation with power tools.
Light Industry	Outdoor leisure facilities (wooden swings, gazebos), wooden fence panels, shipping pallet assembly, garden tool handles.	ISO 1478; Carbon steel 5.6 (zinc-plated), Stainless steel A2-70.	Knurle enables smooth driving; Suits mass production; No wood splitting, surface-friendly.
DIY Outdoor Renovation	Home deck repairs, garden flower stands, wooden mailbox posts, outdoor wooden storage boxes, backyard arbor builds.	ASTM F1554; Carbon steel 5.6/8.8 (galvanized), Stainless steel A2-70.	User-friendly for non-professionals; Torx design ensures stable torque; Resists rain/humidity corrosion.

Countersunk Flat Head Torx Deck Screw with Knurle

Countersunk Flat Head Torx Deck Screw with Knurle Application Scenario Table

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