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Home Products PA33 series Adjustable Cast Iron Body 6-Jaw Adjustable Precision Self-Centering Chucks

Mostly suitable for the production of parts with top concentricity.It is for universal use,hawever particularly advantageous for grinding machines, indexing heads and lathes:
● adjusting accuracy within 0.005mm
● repeatabillity 0.015mm


The clamped workpiece is adjusted to the required concentricity by mean of4 or8 radially arranged adjusting screws Standard accessories:
● 1 set of hard reversible top jaws
● 1 wrench
● 1 hexagonal key
● 1 set of mounting screws.

截屏2025-09-16 下午7.56.40

Chuck SizeD (mm)D₁ (mm)D₂ (mm)D₃ (mm)H (mm)H₁ (mm)h (mm)z - dCode No - Solid Jaws (Steel body)Code No - 2 - Piece Jaws (Cast iron body)
12512760.33112.733398.115816.73 - M6PA33 - 125PA33 - 125A
160152.579.37135.7039107.96417.56 - M6PA33- 160PA33 - 160A
200210120.65190.560126.379.318.66 - M10PA33- 200PA33 - 200A
250※254161.90111.1372142.88920.46 - M12PA33 - 250PA33 - 250A
315※305200.79133.3583165.8102.520.46 - M12PA33 - 315PA33 - 315A
380※381299.237171.45108209136.227.76 - M16PA33 - 380PA33 - 380A