GY 3000 Base Jaws Set (Single Guide Hard)

For GY3100, GY3200, GY3300 Chucks

Ensure the continued precision and reliability of your machining operations with our premium Spare Hard Jaws Set. Specifically engineered for compatibility with Type 3100, 3200, and 3300 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 3000 Model Numbers
Chuck Size (MM) Chuck Size (Inches) 3 Jaw Set 4 Jaw Set
125 5″ 4073125 4074125
160 6 1/4″ 4073160 4074160
200 8″ 4073200 4074200
250 10″ 4073250 4074250
315 12 1/2″ 4073315 4074315
350 13 3/4″ 4073350 4074350
400 15 3/4″ 4073400 4074400
Technical Specification
Size 125mm 160mm 200mm 250mm 315mm 350mm 400mm
A 54 65 79 92 110 130 130
B 20 20 25 28 32 35 36
C 29 30 34 38 41 47 49
D 8 8 9 11 12.7 15.3 15
E 8 8 10 12 12 15 14
F 7.94 7.94 7.94 12.7 12.7 12.7 12.7
G 12.69 12.69 12.69 19.04 19.04 19.04 19.04
H 22.6 28.6 34.9 39.7 47.6 57.1 57.1
J 4 4 4 4 4 4 4
K 16 19.05 22.25 27 31.75 38.10 38.10
L 13.5 14 14 16 16 25 25
M M8 M10 M10 M12 M12 M12 M16
S 3.2 3.2 3.2 3.2 3.2 3.2 3.2