1、中中华人民共和空工业46. 准HB 7024.9-94 6. 3 H: 一分类代号，Jl704标记示例，A=20mmB二20mmH=30mm的正方形钻模体z钻模体170401 标记代号A B H C h 170401 20 170403 20 30 30 10 170405 40 3 )170407 20 1 70409 25 36 30 12 )170411 40 1 70413 30 1 70415 30 40 40 14 4 )170417 50 1994-10-31发布18 mm l D 10 M5 1995-01-01实施标记代号|A B )170419 Jl70421 36 45
2、)170423 Jl70425 170427 40 50 170429 )170431 )170433 45 56 )1 70435 170437 Jl70438 50 60 Jl70441 Jl70443 )1 70445 56 67 Jl 70447 )170449 )1 70451 60 71 Jl70453 JI 70455 Jl 70457 67 75 Jl70459 Jl70461 Jl70463 71 80 l70465 Jl704G7 )1 70469 80 90 )170471 )170473 l70475 90 100 )170477 1材料，45，GB6990 2.热处理，HRC35-4003.技术条件z按田70330HB 7024. 9-94 续表mm H C h t D 30 40 16 50 40 10 M5 50 4 60 40 20 50 60 50 60 71 50 24 12 M6 60 71 60 5 71 80 60 28 71 80 71 80 32 90 71 15 M8 80 36 6 90 71 80 40 90 19
