Hollo Bolt
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DIN 7643 Banjo Bolts for Hydraulic, Fuel and Lubrication Lines
Handan Haosheng Fastener Co., Ltd. specializes in high-performance DIN 7643 banjo bolts (hollow screws), offering integrated fastening and fluid transfer, compact connection design, and reliable washer sealing. Ideal for hydraulic, fuel, and lubrication lines where installation space is limited, our banjo bolts are manufactured from Q235 carbon steel to DIN 7643 dimensions, with thread sizes from M8×1 to M45×1.5 and 1, 2, 3, 4, or 6 radial hole configurations. With yellow zinc and blue-white zinc finishes, drawing-based customization, and batch-by-batch inspection, Haosheng’s banjo bolts ensure leak-resistant reliability in demanding applications.
