Seco Gold 3 Jaw Steel Body Standard Self Centring Chuck 400 mm SJ3G

• d2 H7: 330 mm
• d3: 362 mm
• Tolerance on d3: ± 0.40 mm
• d4 Min.: 150 mm
• h1 Max.: 110 mm
• h2 Max.: 51 mm
• t Min.: 5 mm
• L: 160 mm
• K: M16
• Size of Square Key for Chuck: 16 mm

Special Features:

• Body: Jaw ways Hardened and ground.
• Jaws teeth Precision ground from both sides.
• Scroll threads precision ground from both sides. Hardness 40-45 Hrc.
• Parts: Interchangeable.
• Runout: Less than 0.04 from 160 mm onwards.

Material Composition:

• Steel Body: Medium carbon steel of 600 mpa tensile strength.
• Jaws: Case hardening steel with tough core, hardness 56-60 Hrc.
• Pinion: Case hardening alloy steel hardness 42-50 Hrc.
• Scroll: Forged high strength wear resistant case hardening alloy steel, Hardness 40-45 Hrc.