WL6-4819 ABS Precision Instrument Case

The outer shell is 475 x 383 x 188 mm and the internal cavity is 454 x 325 x 173 mm. Externally the case occupies 475 x 383 mm of bench or shelf space while the usable floor inside is 454 x 325 mm, the difference coming from the wall section and the moulded closing geometry. Size a load from the inner dimensions, never from the outside, because outside figures overstate capacity. The 173 mm inner height is the maximum upright height available, and any lining you add reduces it further, so allow for that when the insert is designed.

The lid adds 46 mm of internal depth and the base adds 127 mm, giving 173 mm of combined inner height. A 46 mm lid over a 127 mm base gives a deeper lid section, so equipment with a slight raised top still fits, and the 173 mm inner height over a large floor suits a complete unit with accessories. When judging whether a body suits your contents, read the base figure first, because it sets how tall an item can stand, while the lid figure decides how much headroom remains above it. Only the sum of the two is usable height, and when measuring a part, include handles, connectors and bosses, or the lid will press on it once closed. If the lining is routed rather than flat, the pocket depth should be taken from the base side.

The shell uses a sealed closure and provides an IP67 waterproof and dustproof rating. When moving a complete unit, the seal limits dust reaching vents and connectors, which reduces re-cleaning work at the destination. The rating applies to the sealed cavity of the case itself, so if you store moisture-sensitive contents, pair it with desiccant or a humidity management accessory and check the sealing face for trapped debris every time you close the lid, since a single trapped fragment undermines the seal.

WL6-4819 is available for OEM and ODM programmes. The usual scope covers foam inserts cut to your contents, shell colour changes, silk-screen or pad-printed branding, and internal divider layouts built around your own parts. A large flat cavity suits multi-item compartments, so send us a layout drawing of the full set. Kexin New Materials (Guangdong) Co., Ltd. manufactures in Zhongshan and supplies factory-direct, so minimum order quantity and schedule are confirmed per project rather than fixed by a catalogue.