China Round Head Lag Screw

Lag screws are some of the toughest types of screws out there. Also called lag bolts, lag screws are generally used to connect heavy lumber and other materials that bear an intense load. They're different from other more common screws such as wood screws, sheet metal screws and self-drilling screws. Each has its own purpose, although some screws overlap onto other screws' territory. Our MEGATRO provide every type of lag screw as follow:
1. Hexagon Lag Screws
2. Standard: DIN, ISO, JIS, AISI
3. Size: M3-M56
4. Surface: Zinc, black, HDG
5. Material: Carbon steel, alloy, al, cu, SS, stainless steel, 201, 304, 316
6. Packing: 25kg per Carton, 36CTN per Pallet, or small packing according to requirement
Production requirements: As per our client requirements
Lead time: To be discussed by both Buyer and Seller
Origin: Qingdao, Shandong province, China
Payment: TT; L/C
Our lag screw have some technical specification as follow:

MaterialSteelStainless steelNon-ferrous metalGeneral requirementsDIN ISO 8992Thread and ToleranceDIN 7998MaterialMaterialSteel
(According to
Manufacture)A2, A4BrassStandardDIN EN 10087DIN EN 10088-3DIN EN 12166Limit deviations
geometrical toleranceProduct gradeCStandardDIN EN ISO 4759-1Surface finishAs processed PassivationBlankDIN EN ISO 26157-1 shall apply with regard to permissible surface discontinuitiesDIN EN ISO 4042 shall apply with regard to electropiatingDIN EN ISO 10684 shall apply with regard to hot dip galvanizeDIN EN ISO 16048 shall apply with regard to passivationIf different electroplating or other surface protection is desired, this shall be agreed
upon at the time of orderingAcceptance inspectionDIN EN ISO 3269 shall apply with regard to acceptance inspection

Please directly contact us for more details.