For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. The lead times become effective when (1) we have
received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all
cases we will try to accommodate your needs. In most cases we are able to do so.
Product name
Butterfly nut
texture of material
SS304 SS316 stainless steel,mild steel, Carbon steel,1018,1022,10B21,SCM435,12L14, 1215,4140, 4340, 5120,5140,5145, etc.
standard
ASME ISO DIN BS
Grade
A2 A4 or grade 2 5 8 10
Surface
plain, zinc plated, hot dip galvanized ,black oxide
packing
Plastic bag / carton
Materials:
Carbon steel, Stainless steel
Size:
Customized as per detailed sizes or drawings
MOQ:
1,000pcs above, depends on products or dimensions
Sample lead time:
3-7 working days mostly
Massive lead time:
10-15 working days mostly
Trade terms:
EXW/FOB/CIF/CNF/FCA/DAP/DDP/DDU
Package:
PE bags + brown carton + pallets or customized as demands
Product Name
High Strength Carbon Steel Chemical Anchor Bolt Chemical Agent Expansion Screw For Metal Building
Finish
ZINC, Yellow
Material
Stainless steel, Carbon Steel
Place of Origin
China
Guangdong
Brand Name
LPL
Model Number
LPL-HXLS
Standard
GB
Product name
High Strength Carton Steel Chemical Anchor Bolt
Material
Carbon Steel
Application
Industry&Building
Length
Customzied
Packaging
Carton + Pallet
Brand Name
LPL
Size
Customzied
Product standards
GB Standard
Standard
GB, DIN, ISO, JIS
Size
M3-M50 or non-standard as request&design
Material
Carbon steel, stainless steel, alloys steel etc.
Hex head bolt and nut Grade
4.8 / 6.8 / 8.8 / 10.9 / 12.9 ,
A2-70 / A4-80
Packing
Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
A double-stacked self-locking washer is a special mechanical connector designed to prevent bolts from loosening, especially in high-vibration or high-load environments.It consists of two spring washers nested inside each other in an S-shaped configuration. The outer spring washer has ends that bend inwards, while the inner spring washer has ends that bend outwards, creating a two-way self-locking feature.The working principle of this washer is based on elastic deformation. When placed between connecting parts, the inner curved part of the outer spring ring interlocks with the outer curved part of the inner spring ring, creating a locking force that prevents the connecting parts from loosening under vibration or load.The advantages of the double-stacked self-locking washer include high reliability, easy installation, and a wide range of applications.It is suitable for various mechanical connections, such as threaded connections and pin connections, and is widely used in industrial production and machinery manufacturing, especially in the automotive manufacturing process, where it is often used to connect engine and chassis systems to improve the safety and reliability of the car.
Standard
GB, DIN, ISO, JIS
Size
M3-M50 or non-standard as request&design
Material
Carbon steel, stainless steel, alloys steel etc.
Grade
4.8 / 6.8 / 8.8 / 10.9 / 12.9 ,
A2-70 / A4-80
Packing
Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Standard
GB, DIN, ISO, BSW,UNC
Size
M3-M50 or non-standard as request&design
Material
Carbon steel, stainless steel, alloys steel etc.
Hex head bolt and nut Grade
4.8 / 8.8 / 10.9 / 12.9 ,
A2-70 / A4-80
Packing
Box, carton or plastic bags, then put on pallets, or according to the demand of the customers