
Prime Quality Scm440 SAE 4140 42CrMo4 Cold Drawn Alloy Steel Round Bar. 20+ Years Manufacturing: Factory with over 20 years of experience producing cold drawn steel bars. Multiple Shape Options: Supply round, square, hex, and special profile cold drawn steel bars. Wide Size Range: Available sizes from 5mm to 120mm for various steel bar shapes. High Precision Tolerance: Strict tolerance control with options for H9, H10, H11 or custom requirements. International Standards: Complies with ASTM, AISI, GB, JIS, DIN, and BS standards. Flexible Payment Terms: Supports T/T, L/C, Western Union, and PayPal for various amounts. Fast Delivery: General delivery time is 15-20 days after deposit; urgent orders adjustable. Free Sample Policy: Free samples available; customers only need to cover express shipping costs.