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| H1 | H2 | H3 | H4 | H5 | H6 | H7 | H8 | R1 | C1 | C2 | M1 | Recommended Mold Tonnage Range | Material | HRC | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Tolerance | Size | Tolerance | Size | Tolerance | Size | Tolerance | Size | Tolerance | Size | Size | Tolerance | ||||||||
| 20 | -0.02 -0.05 | 90 | -0 -0.1 | 120 | -0 -0.1 | 5 | -0.1 -0.2 | 80 | -0 -0.05 | 60 | 60 | -0.3 -0.5 | 42 | 21 | 10 | 5 | 8 | 2000 | Graphite Copper Bushing | None |
| 20 | -0.02 -0.05 | 100 | -0 -0.1 | 140 | -0 -0.1 | 6 | -0.1 -0.2 | 90 | -0 -0.05 | 70 | 70 | -0.3 -0.5 | 52 | 21 | 11 | 5 | 12 | 3000 | Graphite Copper Bushing | None |
| 20 | -0.02 -0.05 | 112 | -0 -0.1 | 155 | -0 -0.1 | 6 | -0.1 -0.2 | 100 | -0 -0.05 | 70 | 70 | -0.3 -0.5 | 52 | 21 | 11 | 5 | 12 | 4000 | Graphite Copper Bushing | None |
| 25 | -0.02 -0.05 | 125 | -0 -0.1 | 160 | -0 -0.1 | 7 | -0.1 -0.2 | 110 | -0 -0.05 | 80 | 80 | -0.3 -0.5 | 55 | 21 | 11 | 5 | 12 | 4000 | Graphite Copper Bushing | None |
| Specification Format:KJ-FDB-C-H1*H2*H3（Unspecified dimension tolerance: ±0.1; rough/through-hole diameter tolerance: +0.3 to +0.5） | ||||||||||||||||||||
