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Hexagon wood screws DIN 571
Hexagon Head Wood Screws (Coach Screws)
Coarse thread for wood (non-metric machine thread)
Partially threaded
Pointed – for easy wood penetration
Hexagon head – wrench or spanner driven
External (Hex) – no recess, requires wrench
Steel (plain, galvanized), Stainless Steel (A2, A4), Brass
Plain, Zinc-plated, Hot-dip galvanized (HDG), Black oxide
Diameter: M5 to M20; Length: 20 mm to 300 mm
INDUSTRY FOR -
Construction: Timber framing, roof trusses, pergolas, wooden beams
Furniture: Heavy-duty furniture joints, outdoor seating
Fencing & Decking: Post anchors, fence rails, deck structures
Wooden Bridges: Structural joints requiring torque-tightened fixings
Mechanical Assembly: Fastening wooden structures to steel supports (via anchors or brackets)
International Equivalents & Comparisons
Standard Region Notes
ISO 7996 International Metric hex wood screws – close equivalent
ASME B18.2.1 (Lag Screws) USA Inch series coach screws
BS 1210 UK Hexagon head wood screws
IS 8036 India Metric wood screws – similar to DIN 571
JIS B 1125 Japan Wood screws with hex heads
