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DIN571COACHSCREW_副本

Hex lag Screws / ASME B18.2.1 Lag Screws

 

 

Products lag screws,lag bolts, hex head wood screws,Coach Screw

Head Type

Hex Head ; Square Head

Custom

Custom according to drawing

Material

Low Carbon Steel ;  Medium Carbon Steel (High Strength)SS304 , SS316

Standard

ASME B18 .2 .1 ; DIN571

Finish

Zinc plated ; Hot Dip Galvanizing 

Diameter 10# ,1/4", 5/16", 3/8", 1/2", 5/8"; 3/4" ,7/8", 1"
Length 1" – 15"

 

                                  Mechanical Properties:
                                  - High tensile strength for heavy load applications
                                  - Deep coarse threads for maximum grip in wood
                                  - Excellent pull-out resistance


                              Typical Applications:
                              - Decking and outdoor structures
                              - Timber frame construction
                              - Fence and pergola installation
                              - Wood-to-wood structural connections
                              - Anchoring wood to concrete (with anchors)


                          

                                 Q: Do lag screws require pre-drilling?
                              A: Yes, pre-drilling is recommended to prevent wood splitting and ensure proper installation.

 

                              Q: What finish is best for outdoor use?
                              A: Hot dip galvanized (HDG) or stainless steel is recommended for outdoor and corrosive environments.

 

                              Q: Can you supply in bulk for distributors?
                              A: Yes, we specialize in bulk supply for wholesalers and construction suppliers.

 

                              Q: Do you support custom sizes and packaging?
                           A: Yes, OEM service is available.


                               ✔ Fast delivery
                             ✔ OEM & custom packaging available  
                             ✔ Low MOQ for trial orders  
                             ✔ 12-hour quotation response  
                             ✔ Export experience with North American standards  or Custom.

                             ✔DDP Service