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4H/4H-A

WEDGE-HOOK type Thru-Hole 4-Jaw Lathe Chuck

Thru-Hole | Four Jaw Lathe Chuck

  • WEDGE-HOOK type is 4-jaw with the through-hole.
  • 4-jaw chuck has four holes for controlling each jaw, one at a time.
  • 4 jaw lathe chucks move independently and require operators to center the workpiece.
  • four jaw lathe chuck is mainly used for gripping square or octagon blocks.
  • 4 jaw power chuck with an accuracy level between 0 and 0.001.
  • Matching surfaces of all parts hardened, ground, and lubricated directly.
  • High rigidity and high repeatability precision.
  • J is the hole diameter of the blank draw nut.
  • If not notified, AUTOGRIP will adopt the K Default as the K value.
  • K is the maximum thread specification and it could be customized.

Catalog Download

Specifications

Model-Plunger
stroke
(mm)		Jaw stroke
(Dia.)
(mm)		Chucking
Dia. Max.
(mm)		Chucking
Dia. Min.
(mm)		Max. D.B.
pull kN
(kgf)		Max.
clamping
force kN
(kgf)		Max. speed
min-1 (r.p.m.)		I
kg‧m 2		Weight
(kg)		Weight
(kg)		Matching cyl.Max. pressure
MPa (kgf/cm2)
4H-12 A8 25 10.6 304 34 54.9
(5600)		 143.6
(14650)		 2700 0.77 62 65.7 TK-A1291 2.5(25)
4H-15 A8 23 10.6 381 50 71
(7250)		 179.8
(18350)		 2000 2.5 123.7 137.7 TK-A1512 2.3(23)
4H-15 A11 23 10.6 381 50 71
(7250)		 179.8
(18350)		 2000 2.42 123.7 130.7 TK-A1512 2.3(23)
4H-18 A11 23 10.6 450 50 71
(7250)		 179.8
(18350)		 1700 4.85 170 184 TK-A1512 2.3(23)

* The dimensions and the specifications of 4H-A are in the red data.

Dimensions

Subject to technical changes.

Model-ABBCDD1D2EE1FG max.G max.G min.G min.HJK max.K DefaultLL1L1MNPQ max.Q min.R max.R min.STU
4H-12A8304110122220171.4139.72190618911028-1532850M100X2M100X24~M162325511303044.7514.7561.35650213~M8
4H-15A8381133160300235139.72171.46331201144-12213960M130x2/
M115x2		M130x2/
M100x2		4~M203024631654347.520.58074.76225.5/226~M16
4H-15A11381133149300235196.872606221201133-12103960M130x2M130x24~M203028631654347.520.58074.76225.5/223~M10
4H-18A11450133149300235196.872606221201133-12103960M130x2M130x24~M203028631654383.520.58074.76225.5/223~M10

* The dimensions and the specifications of 4H-A are in the red data.

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