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4H-2/4H-2A

LARGE THRU-HOLE POWER CHUCK

LARGE THRU-HOLE | 4-JAW

  • WEDGE-HOOK type 4-jaw with the extra large through-hole.
  • Matching surfaces of all parts hardened, ground and lubricated directly.
  • High rigidity and high repeatability precision.
  1. J is the hole diameter of blank draw nut,
  2. If not notified, Autogrip will adopt the K Default as K value.
  3. K max is the maximum thread specification, and it could be customize.

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-206 A5 14 6.0 170 13 23.2
(2375)		 66.7
(6810)		 5000 0.06 12.5 16.7 TK-C646 2.5(25)
4H-208 A5 18 7.6 210 17 34.3
(3500)		 85.8
(8750)		 4200 0.19 23.5 25.4 TK-A853 2.8(28)
4H-208 A6 18 7.6 210 17 34.3
(3500)		 85.8
(8750)		 4200 0.19 23.5 24.3 TK-A853 2.8(28)
4H-210 A6 21 8.9 260 37 49.1
(5010)		 110.7
(11300)		 3800 0.4 38.7 44 TK-A1075 3.2(32)
4H-210 A8 21 8.9 260 37 49.1
(5010)		 110.7
(11300)		 3800 0.4 38.7 42.3 TK-A1075 3.2(32)

* The dimensions and the specifications of 4H-2A are in the red data.
* The 4H-2 series are power chucks with extra large thru-hole design.
* The rotary cylinders are recommended based on power chucks that from 6”~8” are common used in the industry.
* If you find that you need different bore size or installation interface, please just contact us. We have many standard and customized rotary cylinders for option and meet your needs.

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-206A51708191140104.882.56116515531328-11417.520M60x2M55x24~M10161637732021.259.25363331123~M6
4H-208A521091109170133.482.56104.85236616.539.5-1.521.520.530M75x2M60x24~M12171838952523.710.245.741.935146~M10
4H-208A621091103170133.4106.381505176616.533.5-1.515.520.530M75x2M60x24~M12171538952523.710.245.741.935143~M6
4H-210A6260102122220171.4106.38133.45258610.535.5-10.514.52545M95x2M85x24~M162018431103032.212.756.552.0540166~M12
4H-210A8260102115220171.4139.721905188610.528.5-10.57.52545M95x2M85x24~M162022431103032.212.756.552.0540163~M8

* The dimensions and the specifications of 4H-2A are in the red data.

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