specilist in eyebolt din 444 model:0031 the spherical surface is very smooth,the precision of screw thread is high. as accessory it can improve integrated quality for your product. material:low/medium carbon steel,stainless steel,structural alloy steel technological process:cut precious after hot forging specification:common american system grade: 4.6-12.8,etc features: 1) plating:plated zinc various/black(blue) oxide etc. 2) standards:din 444(din444),gb 798(gb798),m8-m64 free sample! high quality and best price. main scoop of inventories:1.materials:low/middle carbon steel(4.6) alloy steel(8.8-12.8)stainless steel 304 & 316 2.dimensions:a)low/middle carbon steel,alloy steel m8-m64 b) stainless steel 304 & 316 m5-m30 3.cut precious after hot forging,manufacture mainly adopts the method of hot forging,cold forging few;tensile strength of stainless steel 304&316(other materials are also available in a small amount.) competitive advantages:1.punctual delivery 2.competitive price 3.short lead time 4.high quality 5.superb r&d 6.high oem capaciity 7.various product line 8.reliability 9.high reputation 10.made to order 11.rich experience