KEY SET 1.Standard metarials of QC/T504-1999 2.The release torque is 0.1470 392(N.M)and <9.8N for pulling out 3.Excellent

KEY SET

1.Standard metarials of QC/T504-1999

2.The release torque is 0.1470 392(N.M)and <9.8N for pulling out

3.Excellent sealing

KEY SET