| 型號Model | 8420A-BD-3/02 | 8450A-BD-3/02 | 8720A-5-BD-3/02 | 8750A-5-BD-3/02 |
| 機針Needle | DB×5 11#-16# | DB×5 11#-16# | DB×5 14#-22# | DB×5 14#-22# |
| 針跡長度Stitch length | 4mm | 5mm | 7 | 7 |
| 壓腳高度Alternation range | 7-15mm | 7-15mm | 7-15mm | 7-15mm |
| 針?biāo)土螻eedle Feed? | 有Yes | 有Yes | 有Yes | 有Yes |
| 針間距Needle gauge | 6.4 | 6.4 | 6.4 | 6.4 |
| 立式標(biāo)準(zhǔn)旋梭Vertical hook(standard) | 有Yes | 有Yes | / | / |
| 立式大旋梭Horizontal hook(large) | / | / | 有Yes | 有Yes |
| 縫料厚度Thickness | 中厚料Medium Materials | 中厚料Medium Materials | 厚料Heavy Materials | 厚料Heavy Materials |
| 轉(zhuǎn)速Sewing speed | 3000rpm | 3000rpm | 3000rpm | 3000rpm |
