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SOFT JAWS FLAT - 3.0 mm x 60° Serrations

FOR USE ON: MMK Matsumoto, Howa & Other Chucks
  • 3.0mm x 60° serrations
  • Supplies maximum concentricity on finish turning operations
  • Can be bored or turned to fit workpiece
  • Steel jaws can be hardened
  • Available flat ended or pointed for smaller diameter parts
  • Special orders available
  • Available in Aluminum, Steel & Aircraft Aluminum (where noted)
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
Critical Dimensions ALUMINUM STEEL
Group
No		 Chuck Size Groove
Width
G		 Screw
Size
E		 Hole
Space
D		 Height
Inch
A		 Hole to
Front
J		 Width
Inch
C		 Length
Inch
B		 No.
of
Holes		 FLAT END
Part
Number		 FLAT END
Part
Number
K3-12-20 6 0.472 (12mm) 10mm 0.787 (20mm) 1.50 1.375 1.250 2.750 2 H3-6150AF H3-6150F
H-6,HA5-6
HO1MA6		 2.50 1.375 1.250 2.750 2 H3-6250AF H3-6250F
K3-14-25 8 0.551 (14mm) 12mm 0.985 (25mm) 2.00 2.000 1.500 3.750 2 H3-8200AF H3-8200F
HJ-08
HO1MA8		 4.00 2.000 1.500 3.750 2 H3-8400AF H3-8400F
K3-15-30 10 to 12 0.591 (15mm) 12mm 1.181 (30mm) 2.00 2.625 1.500 4.750 2 H3-10204AF H3-10204F
4.00 2.625 1.500 4.750 2 H3-10404AF H3-10404F
K3-16-30 10 to 12 0.630 (16mm) 12mm 1.181 (30mm) 2.00 2.625 1.500 4.750 2 H3-10200AF H3-10200F
HW-10,HW-12
HO1MA10		 4.00 2.625 1.500 4.750 2 H3-10400AF H3-10400F
K3-18-30 10 to 14 0.709 (18mm) 14mm 1.181 (30mm) 2.50 3.125 2.000 5.500 2 H3-12250AF H3-12250F
HO1MA12 4.00 3.125 2.000 5.500 2 H3-12400AF H3-12400F
K3-21-40 15 0.827 (21mm) 16mm 1.575 (40mm) 2.50 3.187 2.000 6.000 2 H3-15258AF H3-15258F
HO15M15,HO
22M12		 4.00 3.187 2.000 6.000 2 H3-15408AF* H3-15408F*
4.50 3.187 2.000 6.000 2 H3-15458AF H3-15458F
K3-22-50 15-18 0.866 (22mm) 20mm 1.969 (50mm) 2.50 3.187 2.500 6.250 2 M3-15250AF M3-15250F
MMK
HA-18-162,
HA11-15,
HA11-18,
HA8-15		 3.00 3.187 2.500 6.250 2 M3-15300AF M3-15300F
4.00 3.187 2.500 6.250 2 M3-15400AF M3-15400F
5.00 3.187 2.500 6.250 2 M3-15500AF M3-15500F
6.00 3.187 2.500 6.250 2 M3-15600AF M3-15600F
K3-25-51 18-21 0.984 (25mm) 20mm 2.000 (51mm) 4.00 5.430 2.50 8.500 2 K3-21403AF* K3-21403F*
K3-25-60 18-21 0.984 (25mm) 20mm 2.360 (60mm) 2.50 3.070 2.500 7.000 2 K3-21250AF K3-21250F
KITAGAWA
B-21, B-24		 4.00 3.070 2.500 7.000 2 K3-21400AF K3-21400F
6.00 3.070 2.500 7.000 2 K3-21600AF K3-21600F
K3-25-80 24 0.984 (25mm) 20mm 3.150 (80mm) 2.50 3.850 3.000 8.500 2 K3-24250AF K3-24250F
UVE-800LB 4.00 3.850 3.000 8.500 2 K3-24400AF K3-24400F
K3-26-42 15 1.023 (26mm) 20mm 1.656 (42mm) 2.50 2.687 2.000 5.750 2 H3-15254AF H3-15254F
HO27M15 4.00 2.687 2.000 5.750 2 H3-15404AF H3-15404F
K3-26-50 18-20 1.023 (26mm) 20mm 1.969 (50mm) 2.50 3.187 2.500 6.250 2 H3-15250AF H3-15250F
HOWA
HO1MA15		 4.00 3.187 2.500 6.250 2 H3-15400AF H3-15400F
5.00 3.187 2.500 6.250 2 H3-15500AF H3-15500F