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|Material:||Carbon Steel||Property Class:||4.8|
screws and fasteners,
A2 Stainless Steel Hex Head Screws for Coach Self Tapping Fastener
Coach screws are named lag bolt or lag screw , they have a hex head to be operated by a spanner or wrench , coach screw sharp point with threads will bites wooden material when it is installed and the hex head to the surface of wooden parts .
Coach screws are used for a joint between wooden parts or wooden parts with metal parts , before drill coach screw into wooden material , a pre-drilling hole is needed for leading purpose .
Coach Screws Specification
Material for Coach Screws
Carbon steel : 1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435
And optional materials as
stainless steel SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 .
Aluminum : 2024 , 6061 and 7075
Brass : CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
Finish for Coach Screws
|Zinc||Blue ,White ,Black ,Yellow||5-107μm||Bright and smooth surface ,corrosion resistance|
|Nickel||Silver||1～3μm||Wear resistance ,bright appearance , anti-corrosion|
|Polishing||Silver||0.01mm ( reference )||Improving brightness of surface|
|Tin||Silver||0.13～1.27μm||Good ductility ,corrosion resistance ,lower melting point ,eco-friendly ,brightness|
|Brass||Copper||5gm～8gm||Good dispersibility ,Bright appearance|
|Dacromet||Grey||4-8μm||High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly|
Harden surface ,Bright surface ,Heat resistance ,Wear resistance Corrosion resistance and eco-friendly
Applications for Coach Screws
Coach screws are used for wooden parts of furniture or buliding etc mainly secure or fix metal parts with wooden parts ..
Features for Coach Screws
◆ Partial threads
◆ High torsinal strength
◆ Harden material
◆ Good drilling point
◆ Heavy Loading
Hex wood screws with partial threads
Contact Person: MR.LIN