Bevel gears box - Makishinko Brand - made in Japan Answering your needs with a rich product line-up, and a record of success Makishinko's bevel gear boxes have been successfully throughout the power transmission field because of its flexible combinations of attachment configurations, shaft layouts and rotation directions as well as the possibilities to combine with other machines or parts, like screw jack, worm gear and motor etc. Makishinko.s bevel gear boxes are divided into 3 series 1. SB series - Uses a spiral bevel gear. After a special steel is heat treated, it is finished with lapping to improve accuracy. 2. FB series - Uses a straight bevel gear. A special steel is heat treated, ensuring sufficient durability for high transmission capacity. 3. TB series - Uses a spiral bevel gear. After a special steel is heat treated, it is finished with lapping to improve accuracy.