Model:Supply low price and high quality anchoring 304 stainless steel

Size 1 : this expansion screw is the pure national standard expansion bolt, the roughness and length can meet the national standard, the case M10 * 100 (the actual length is 100mm)
Use note: the expansion screw is used for drill holes that are 2mm larger than the size of the specification, such as M10, the outer diameter is 12mm, with a 12 impact drill
Size 2: the expansion screw has a lower difference, 2 to 3mm less than the length, and the M10 * 100 (the actual length is 98mm).
Usage note: the expansion screw is used for drill holes with a diameter of 4mm, such as M10, the outer diameter is 14mm, with 14 impact drill 
Size 3: the expansion screw has a lower difference, 5 to 8mm less than the length of the target, and the M10 * 100 (the actual length is 93mm).
Usage note: the expansion screw is used for drill holes that are 4mm larger than the size of the specification, such as M10, the outer diameter is 14mm, with 14 impact drills
Szie 4: the expansion screw has a lower difference, 10mm less than the length of the standard, and the M10 * 100 (the actual length is 90mm).
Usage note: the expansion screw is used for drill holes with a diameter of 4mm, such as M10, the outer diameter is 14mm, with 14 impact drill
The series consists of metal casing, screw, nut, flat mat and cushion, which can be customized according to customer's requirement.
Anchor base: concrete and other basic materials.
Product advantages: wide range and can be used for a variety of fixed, the operation is simple, without being limited by the tool conditions such as time, fixed scope, the steel structure curtain wall keel railings, cable line, anchor rail, machine equipment, brackets, door steel ladder, building exterior wall finishes, a window, etc.