GY 4000 Standard Jaws Set (Double Guide Hard)

For GY4100, GY4200, GY4300 Chucks

Ensure the continued precision and reliability of your machining operations with our premium Spare Hard Jaws Set. Specifically engineered for compatibility with Type 4100, 4200, and 4300 chucks, these jaws are the ideal solution for replacing worn components or expanding your setup’s versatility.

Key Features

  • High Durability: Manufactured from hardened steel to resist wear and maintain gripping accuracy under heavy-duty industrial use.
  • Versatile Fitment: Available for both 3-jaw and 4-jaw configurations, covering a wide range of chuck sizes from 125mm (5”) to 400mm (15 ¾”).
  • Application Specific: Choose between Outside Sets (for gripping workpieces on their exterior) and Inside Sets (for internal expansion gripping).
  • Standardized Precision: Designed to meet the exact dimensional requirements of your existing chuck type for a seamless, “drop-in” replacement.
GY 4000 Model Numbers
Chuck Size (MM) Chuck Size (Inches) 3 Jaw Outside Set 4 Jaw Outside Set 3 Jaw Inside Set 4 Jaw Inside Set
125 5″ 4033125 4034125 4043125 4044125
160 6 ¼” 4033160 4034160 4043160 4044160
200 8″ 4033200 4034200 4043200 4044200
250 10″ 4033250 4034250 4043250 4044250
315 12 ½” 4033315 4034315 4043315 4044315
400 15 ¾” 4033400 4034400 4043400 4044400
Technical Specification
Size 125mm 160mm 200mm 250mm 315mm 400mm
A 51 70 85 105 125 145
B 20 20 25 28 32 36
C 50 56 62 74 90 107
D 8 8 9 11 12.7 15
E 6 6 6 8 10 10
F 18 18 18 23 29 29
G 8 10 12 14 18 22
H 13 19 23 28 35 36
J 33.5 45 57 69 83 99
K 13 22 23 28 35 36
L 33.5 47.5 57 69 83 99
  • Dimensions H and J apply for outside Jaws
  • Dimensions K and L apply for inside Jaws