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Bule ZInc Steel Hex Head Lag Screw ASME B18.2.1 With Sharp Point

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Description

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Bule ZInc Steel Hex Head Lag Screw ASME B18.2.1 With Sharp Point ?
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We provide assorted specifications hex lag screws from M4 to M10 based on DIN 571 standard , and ASME B18.2.1 as well for wide requests in various fields .
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Hex head lag bolt with coarse threads and sharp point , it is applied to securing heavy wooden part to another part or concrete or masonry part . property class from 4.8 to 8.8 .
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Specific Specifications for Lag Screws

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DIN 571

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d | 4 | 5 | 6 | 7 | 8 | 10 |
H | 3 | 3.5 | 4.0 | 5.0 | 5.5 | 7.0 |
ds | 4 | 5 | 6 | 7 | 8 | 10 |
3.52 | 4.52 | 5.52 | 6.42 | 7.42 | 9.42 |
s | 7 | 8 | 10 | 12 | 13 | 17 |
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ASME B18.2.1

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d | k | ds (max) | s | P |
NO.10 | 1/8 | 0.199 | 9/32 | 0.091 |
1/4 | 11/64 | 0.260 | 3/8 | 0.01 |
5/16 | 13/64 | 0.324 | 1/2 | 0.111 |
3/8 | 1/4 | 0.388 | 9/16 | 0.143 |
7/16 | 19/64 | 0.452 | 5/8 | 0.143 |
1/2 | 21/64 | 0.515 | 3/4 | 0.167 |
5/8 | 27/64 | 0.642 | 15/16 | 0.200 |
3/4 | 1/2 | 0.768 | 1-1/8 | 0.222 |
7/8 | 19/32 | 0.895 | 1-5/16 | 0.250 |
1 | 21/32 | 1.022 | 1-1/2 | 0.286 |
1-1/8 | 3/4 | 1.149 | 1-11/16 | 0.308 |
1-1/4 | 27/32 | 1.277 | 1-7/8 | 0.308 |
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Materials for Lag Screws
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Stainless steel : SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420?
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Carbon steel : 1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
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Aluminum : 2024 , 6061 and 7075
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Brass : CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
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Finishing for Lag Screws
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Zinc
The most popular plating for the most products , making parts are bright and smooth and resistant corrosion
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Nickel
The film thickness is 1～3μm , it improves brightness and wear resistance . it is for the most items .
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Polishing
Reduce roughness of parts and improve brightness . is workable for the most metal parts in industry .
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Tin finish
With film thickness 0.13～1.27μm , tin finish with bright surface and good ductility ,corrosion resistance ,lower melting point ,eco-friendly features . and is used for electronics .
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Brass finish
Usually, 5gm～8gm finish coating thickness and with good dispensability ,Bright appearance .
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Dacromet
This finish is grey color with High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly etc .
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Chrome
Chrome finish is silver white color and the thickness of film is 0．25～0．5μm normally . chrome finish has many practical Features like Bright appearance ,Wear resistance ,Corrosion resistance ,Hard plating film ,Heat resistance .
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Applications for Lag Screws
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Lag screws are used for heavy wooden parts like beam ,wooden block .
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Features for lag screws
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◆ Wider threads

◆ Fast cutting performance

◆ Harden material

◆ Perfect security

◆ Eco-friendly

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