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Komatsu Fittings

Types of Komatsu Fittings

1. Komatsu 30° Flare (Female Internal Cone Seat)

Threads commonly used on Komatsu equipment (30° cone) have metric thread form.

Komatsu Thread Specifications
	Metric Thread	Hex	Drill	Male Turn Back
Dash Size	T Metric	C (mm)	D (mm)	L (mm)
4	M14x1.5	19	0.197	16.0
6	M18x1.5	24	0.315	18.0
8	M22x1.5	27	0.394	20.0
10	M24x1.5	32	0.512	21.5
12	M30x1.5	36	0.551	26.0
16	M33x1.5	41	0.748	30.0

2. Komatsu Style Flange Fitting JIS B 8363

The Komatsu style Flange fitting is nearly identical to, and fully interchangeable with, the SAE Code 61 flange fitting*. The O Ring dimensions are different between all sizes. When replacing a Komatsu style flange with an SAE style flange, an SAE style O Ring must always be used.

NOTE: *5/8” is not in the SAE Standards.

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