Thread VarietiesWood: The threads on wood screws usually are coarse and deep to help them grab the wood.Machine: Machine screws have finer threads than wood screws. ...Sheet metal: These screws usually are short and have coarse threads that are designed to grab onto relatively thin sheet metal .High-low: These screws have two sets of threads with alternating heights. ...More items...
OTTO EXCAVATOR PARTS CO,LIMITED, is a leading manufacturer and distributor of earthmoving parts for Hitachi, Isuzu, Kobelco, Caterpillar, Komatsu, Cummins equipment in Guangzhou China.
It consists of 4 sister companies: Isuzu's authorized dealer in China & Japan office, Hydraulic parts in China & Korea office.
OTTO serves well-known domestic and foreign distributors such as ISUZU, HITACHI, JCB, SUMITOMO, SANY, KOMATSU, etc. With over than 20 years experience in production and distribution.
OTTO is a team composed of highly skilled engineers and professional sales elites, who can ensure the highest quality, competitive prices and timely delivery.
Professional Undercarriage Manufacturer,
Best Service Just For You.
1.20 year's experience in excavator/bulldozer spare parts manufacturing.
2.Factory sale Directly,With REASONABLE price.
3.World-class Quality.
4.Covers an area of more than 10 square meters,10 forging production lines.
Building B,Herong Mansion,Panhuo Road 215,Yinzhou,Ningbo,China 315105