GY 2300 Self Centering Chucks

Single Guide Standard Jaws With D1 PlateType

Upgrade your machining precision with Self-Centering Chucks, engineered for consistent quality and a longer service life. Designed as single-guide standard jaw chucks, these high-performance components are built to handle rigorous industrial applications with ease.

Key Features

Construction & Material Specifications
Our self-centering lathe chucks are engineered for high-precision performance and long-term industrial use.Equipped with D1 Type Plates (Camlock) for quick-change efficiency.
    • Premium Chuck Bodies: Available in three configurations to match your RPM and durability requirements:
      • High-Tensile Cast Iron: Alloyed with Chromium, Nickel, and Manganese for superior wear resistance (Hardness: 210 BHN).
      • SG Iron (500/7 Grade): Designed for high-speed operations and extended service life (Hardness: 210 BHN).
      • Nickel-Chrome Alloy Steel: Features hardened and ground jaw ways for maximum accuracy and high-RPM stability (Hardness: 45 HRC).
    • Generous Through-Hole: Designed with large bore diameters to accommodate bar stock and long workpieces easily.
    • Precision Scroll: Drop-forged from high-tensile alloy steel, precision machined, and hardened to 35 HRC for consistent centering accuracy.
    • Hardened Jaws: Constructed from low-carbon alloy steel, case-hardened to 62 HRC, and ground on both sides to ensure a smooth fit and perfect pitch.
    • Durable Pinions: Made from specialized alloy steel and case-hardened to 50 HRC for high torque resistance.
    • Included Accessories: Every chuck includes a high-strength operating key and a full set of mounting bolts (3, 4, or 6 pieces).
    • Precision Jaw Systems: Available in both 3-jaw and 4-jaw configurations to provide superior grip and centering accuracy.
    • Extensive Size Range: We offer a comprehensive selection of sizes, from compact 80mm (5″) units up to heavy-duty 400mm (15.3/4″) chucks.

Accessories Included

Every Chuck comes ready for immediate setup with a comprehensive set of standard accessories:
  • 1 Set of Outside Hard Solid Jaws
  • 1 Set of Inside Hard Solid Jaws
  • 1 Pc. Chuck Operating Key
  • 1 Set of Mounting Bolts
Looking for more flexibility? Optional accessories including Soft Solid Jaws. are also available to customize your setup.

Applications

Self Centring Lathe Chucks are geared scroll chucks for use on lathes, rotary tables, dividing heads, milling machines etc.
GY 2300 Model Numbers
Chuck Size (mm) Chuck Size (Inches) Short Taper Through Hole (mm) C.I. Body S.G. Body Steel Body
3 Jaw 4 Jaw 3 Jaw 4 Jaw 3 Jaw 4 Jaw
125 5″ D1-4 32 10331254 10341254 20331254 20341254 30331254 30341254
160 6 1/4″ D1-4 42 10331604 10341604 20331604 20341604 30331604 30341604
160 6 1/4″ D1-5 42 10331605 10341605 20331605 20341605 30331605 30341605
200 8″ D1-4 55 10332004 10342004 20332004 20342004 30332004 30342004
200 8″ D1-5 55 10332005 10342005 20332005 20342005 30332005 30342005
200 8″ D1-6 55 10332006 10342006 20332006 20342006 30332006 30342006
250 10″ D1-6 76 10332506 10342506 20332506 20342506 30332506 30342506
250 10″ D1-8 76 10332508 10342508 20332508 20342508 30332508 30342508
315 12 1/2″ D1-6 105 10333156 10343156 20333156 20343156 30333156 30343156
315 12 1/2″ D1-8 105 10333158 10343158 20333158 20343158 30333158 30343158
400 15 3/4″ D1-8 136 10334008 10344008 20334008 20344008 30334008 30344008
400 15 3/4″ D1-11 136 103340011 103440011 203340011 203440011 303340011 303440011
Technical Specification
Size (mm) 125mm 160mm 200mm
Size (Inch) 5″ 6.1/4″ 8″
Taper Nose D1-4 D1-4 D1-5 D1-4 D1-5 D1-6
A (mm) 125 160 160 200 200 200
B (mm) 63.513 63.513 82.563 63.513 82.563 106.375
C (mm) 32 42 42 55 55 55
D (mm) 56 65 65 75 75 75
E (mm) 20 30 30 29 29 29
F (mm) 21 22 25 22 25 28
G (mm) 51 70 70 85 85 85
H (mm) 13 13 15 13 15 16
J (mm) M 8 M 10 M 10 M 10 M 10 M 10
PCD K (mm) 108 140 140 176 176 176
Tol. on K ±0.25 ±0.30 ±0.30 ±0.30 ±0.30 ±0.30
L (mm) 5 5 8 5 8 12
M (mm) 117 117 146 117 146 181
P (mm) M10x1.0 M10x1.0 M12x1.0 M10x1.0 M12x1.0 M16x1.5
R (mm) 15.9 15.9 19 15.9 19 22.2
Size of Sq. Key (mm) 9 11 11 11 11 11
Technical Specification
Size (mm) 250mm 315mm 400mm
Size (Inch) 10″ 12.1/2″ 15.3/4″
Taper Nose D1-6 D1-8 D1-6 D1-8 D1-8 D1-11
A (mm) 250 250 315 315 400 400
B (mm) 106.375 139.719 106.375 139.719 139.719 196.869
C (mm) 76 76 105 105 136 136
D (mm) 85 85 94 94 105 105
E (mm) 34 34 43 43 55 55
F (mm) 31 31 35 35 35 37
G (mm) 105 105 125 125 145 145
H (mm) 16 18 16 18 18 20
J (mm) M 12 M 12 M 16 M 16 M 16 M 16
PCD K (mm) 224 224 286 286 362 362
Tol. on K ±0.35 ±0.35 ±0.40 ±0.40 ±0.40 ±0.40
L (mm) 12 12 12 12 12 12
M (mm) 181 225 181 225 225 298
P (mm) M16x1.5 M20x1.5 M16x1.5 M20x1.5 M20x1.5 M22x1.5
R (mm) 22.2 25.4 22.2 25.4 25.4 30.2
Size of Sq. Key (mm) 14 14 14 14 17 17