3 Piece Jaw T-Nut Set for 8″ B-Type Chucks ~ Fits Kitagawa, Samchully, Strong, MMK, SMW Autoblok, Howa & Hitachi-Seiki Chucks ~ Heel Height M is 0.394 ~ Groove Width D is 0.551(14mm) ~ Screw Size is M12 X 30 ~ Hole Space F is 0.984 ~ Nut Height B is 1.024 ~ Nut Width A is 0.807 ~ Nut Length C is 1.890 ~ Screw Item# is 3900-4798. ~ Hardened and ground. ~ Taiki # TW-305A4 Fits Kitagawa, Samchully, Strong, MMK, SMW Autoblok, Howa & Hitachi-Seiki Chucks Heel Height M is 0.394 Groove Width D is 0.551(14mm) Screw Size is M12 X 30 Hole Space F is 0.984
