https://www.landee.cn/heavy-hex-structural-bolts-astm-a325-astm-a490-m10-m100.html
Heavy Hex Structural Bolts, ASTM A325, ASTM A490, M10-M100 | Landee
Heavy Hex Structural Bolts Factory: With One Hexagon Nut, Hot Forging, ASTM A325, ASTM A490, Size of M10-M100, 3/8-4 Inch, 25-1200 mm / 100-3660 mm Long.
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https://www.capbolts.com/productinfo/3665788.html
ASTM A325 Bolts / Structural Bolt /Heavy Hex Bolts-CAP BOLT LTD
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