1. Grade: 4140 steel 12.9
2. Size: M3-48
3. Standard: DIN
4. Certification: ISO9001, SGS, CTI, ROHS
The main bolts are as following: 01 D bolt: 02 Oval bolt 03 Flat counter sunk nib bolts 04 Square head bolt 05 Bucket-type bolt 06 Waist-type bolt We could custom-tailor according to the drawings Description: liner bolts,nuts, non-standard fasteners etc 1) Size: From M20 to M52 Ball screws can be divided according to the head shape: oval head bolts, square head bolts, with mortise bolts, kidney-shaped bolts, bucket-type bolt, D-bolts, bolts and other horn. By the use of ball screw position can be divided into: compartment liner bolts, discharging grate plate bolts, bolt ladder liner, cylinder bolts, fixed cone liner bolts, bolts and export hopper lining watts, bulkhead bracket bolts and manhole bolts, grid plate bolts, cap liner bolts.