HB 798-1974 Hard-carbide ring blank for screw gauge, with diameter from 4.6 to 30.8 mm

HB 3445-1984 IT6 to IT14 level with needle type double-headed smooth plug gauge (D ≤ 3) HB 3447-1984 IT6 to IT14 levels use the measuring head double head smooth plug (D ≥ 40-80) by head diameter specification HB 3449-1984 IT7 to IT14 grade use non-full-body single-end smooth plug gauge with handle (D ≥ 180~250) HB 3450-1984 IT6 to IT14 level with double-ended combination card gauge (D ≤ 6) HB 3452-1984 IT6 to IT14 level with double-ended blade slot measuring gauge (B ≤ 50) HB 3455-1984 IT6 to IT14 level hardened alloy collet chuck double head smooth plug gauge (D> 40~80) HB 3457-1984 IT7 to IT14 grade hardened carbide non-full-body single-headed shank smooth plug gauge (D > 180~250) HB 3458-1984 IT6 to IT14 grade hard alloy double head combined collet caliper (D≤6) HB 3446-1984 IT6 to IT14 with conical tail nozzle double-headed smooth plug gauge (D≥1~40) HB 3448-1984 IT6 to IT14 level using non-full-length single-ended smooth plug gauge with a handle (D≥80~180) HB 3451-1984 IT6 to IT14 levels using single-end circular disc gauges (D ≥ 1-250) HB 3453-1984 IT6 to IT14 level using double-ended measuring instrument with length (L> 3~250) HB 3454-1984 It6 to It14 grade using cemented carbide cone tail bit double head smooth plug gauge (D>5~40) HB 3456-1984 IT6 to IT14 grade hardened alloy non-full-body single-headed, shank smooth stopper gauge (D > 80-180) HB 3459-1984 IT6 to IT14 level using hard alloy single-head round piece type collet caliper (D> 6~250) Technical Specifications for Smooth Calipers, HB 3460-1984