Bunyat Industry 1998 Co.,Ltd.

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Hexagon Head Bolts DIN933

Hexagon Head Bolts with
Shank DIN931

Wood Screws DIN571

Hexagon Socket Head Cap
Screws DIN912

Hexagon Socket Countersunk
Head Cap Screws DIN7991

Hexagon Flange Bolts DIN6921

Mushroom Head Square Neck Bolts DIN603

Hexagon Socket Button Head Screws ISO7380

Hexagon Nut JIS B 1181/
DIN 934

Square Weld Nut JIS
B 1196/DIN 928

Weld Nut or Nut Special

TOYOTA Production System (TPS)
Since BYI always focuses on continously improve effective and efficiency of our production, we joined the TOYOTA Production System (TPS) project.
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We are ISO9001 certified.

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ISO9001 : 2000

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ISO/TS 16949 : 2002

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Let's visit our products' gallery

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Products :	JIS B 1181	(Hexagon Nut, Hex Nut)
	DIN 934	(Hexagon Nut, Hex Nut)

Product Information
D	S		E	M		DW
Size	Standard Dimension	Tolerance	Approx.	Standard Dimension	Tolerance	Approx.
M5 x P0.8	8	+0 -0.20	9.2	4	+0 -0.30	7.8
M6 x P1.0	10	+0 -0.20	11.5	5	+0 -0.30	9.8
M8 x P1.25	13	+0 -0.25	15	6.5	+0 -0.36	12.5
Steel/Stainless Steel A2