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ROUND JAWS - 1.5 mm x 60° Serrations - Chuck Size 10-15

FOR USE ON: Kitagawa®, Samchully®, Strong, MMK, SMW Autoblok, Howa & Hitachi-Seiki Chucks
  • 1.5mm x 60° serrations
  • Round Jaws allow for complete gripping of workpiece
  • Oversized jaws available
  • Ideal for thin-walled or irregular shaped workpieces.
  • Can be machined to fit workpiece
  • Special "J" dimensions available
  • Available in Aluminum, Cast Iron & Steel
  • Aluminum round jaws made from solid extruded aluminum (up to 15" dia)
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 CAST IRON STEEL
Group
No		 Chuck
Size		 Groove
Width
G		 Screw
Size
E		 Hole
Space
D		 Hole to
Front
J		 Pie
Dia
B		 Height
Inch
A		 Industry
Ref #		 Part
Number		 Part
Number		 Part
Number
K1-16-30 10" 0.630 (16mm) 12mm 1.181 (30mm) 2.155 8 2.00 - 8-RKT-10200A - -
KITAGAWA
B-10,
B-210,
BL-210,
BLT-210
Big-Bore
BB210†


Samchully
HS10


STRONG
N210


MMK
HA 8-11,
HA6-10,
HA8-10


HOWA
H3KT10


SMW
Autoblok
ANM 250,
BBM-250,
BHM-250		 2.375 10 2.00 - RKT-10200A RKT-10200CI RKT-10200S
2.500† 10 2.00 KTT10P RKT-10200A4 - -
2.650† 10 2.00 AKT10FG RKT-10200A5 - -
2.750† 10 2.00 HAR10MSHP RHA-10200A - -
2.375 10 2.50 - RKT-10250A - -
3.00 - RKT-10300A - RKT-10300S
2.650† 10 3.00 AKT10MHFG RKT-10300A5 - -
2.375 10 4.00 - RKT-10400A RKT-10400CI RKT-10400S
2.500† 10 4.00 KTT10P1 RKT-10400A4 - -
2.650† 10 3.00 AKT10EHFG RKT-10400A5 - -
2.750† 10 4.00 HAR10MSHP1 RHA-10400A - -
2.375 10 5.00 - RKT-10500A - -
6.00 - RKT-10600A - RKT-10600S
8.00 - RKT-10800A - -
2.500† 10 6.00 KTT10P6 RKT-10600A4 - -
2.375 12 2.00 - 12-RKT-10200A 12-RKT-10200CI -
2.500† 12 2.00 KTT12-10P 12-RKT-10200A4 - -
2.375 12 2.50 - 12-RKT-10250A - -
4.00 - 12-RKT-10400A - -
2.500† 12 4.00 KTT12-10P1 12-RKT-10400A4 - -
2.375 15 2.50 - 15-RKT-10250A 15-RKT-10250CI -
2.500† 15 3.00 KTT15-10P 15-RKT-10300A4 - -
2.375 15 4.00 - 15-RKT-10400A - -
2.500† 15 4.00 KTT15-10P1 15-RKT-10400A4 - -
2.375 15 6.00 - 15-RKT-10600A* - -
18 2.50 - 18-RKT-10250A - -
2.500† 18 3.00 KTT18-10P 18-RKT-10300A4 - -
2.375 18 4.00 - 18-RKT-10400A - -
2.500† 18 4.00 KTT18-10P1 18-RKT-10400A4 - -
21 3.00 KTT21-10P 21-RKT-10300A4 - -
2.375 21 4.00 - 21-RKT-10400A - -
2.500† 21 4.00 KTT21-10P1 21-RKT-10400A4 - -
2.375 24 4.00 - 24-RKT-10400A* - -
K1-16-32 10" 0.630 (16mm) 12mm 1.250 2.375 10 2.00 - RMT-10200A RMT-10200CI RMT-10200S
1.260 2.875 10 2.00 MTT10P RMT-10200A4 - -
1.250 (32mm) 2.375 10 2.50 - RMT-10250A - -
3.00 - RMT-10300A - RMT-10300S
4.00 - RMT-10400A RMT-10400CI -
1.260 2.875 10 4.00 MTT10P1 RMT-10400A4 - -
1.250 (32mm) 2.375 10 5.00 - RMT-10500A - -
6.00 - RMT-10600A - -
12 2.00 - 12-RMT-10200A - -
4.00 - 12-RMT-10400A - -
15 2.50 - 15-RMT-10250A - -
18 4.00 - 18-RMT-10400A* - -
K1-18-30 12" 0.709 (18mm)






(some mfg's refer to this as .710)		 14mm 1.181 (30mm) 2.375° 10 2.00 - RHO-10200A RHO-10200CI -
KITAGAWA
B-12,
BT-12,
HO-12,
HOB-12,
HOH-12


SAMCHULLY
HAH12,
HCH12
MMK


H-12,
HA8-12,
ZA8-12,
ZJA8-12


HOWA
HO15M12,
HO22M10,
HO24M10,
HO27M10		 - - - RHO-10200S
3.000 10 2.00 HOW27M10P RHO-10200A4 - -
2.375° 10 2.50 - RHO-10250A - -
3.00 - RHO-10300A - -
3.00 - - - RHO-10300S
4.00 - RHO-10400A RHO-10400CI -
3.000 10 4.00 HOW27M10P1 RHO-10400A4 - -
2.375° 10 5.00 - RHO-10500A - -
6.00 - RHO-10600A* - -
12 2.00 - 12-RHO-10200A - -
3.00 - 12-RHO-10300A* - -
4.00 - 12-RHO-10400A - -
15 2.50 - 15-RHO-10250A* - -
4.00 - 15-RHO-10400A* - -
1.250° 8 2.00 - 8-RKT-12200A - -
2.875 10 2.00 - 10-RKT-12200A* - -
12 2.00 - RKT-12200A RKT-12200CI -
12 2.00 - - - RKT-12200S
3.500 12 2.00 KTT12P RKT-12200A5 - -
2.875 12 2.50 - RKT-12250A - -
3.290 12 2.50 AKT12FG RKT-12250A4 - -
2.875 12 3.00 - RKT-12300A - -
4.00 - RKT-12400A - RKT-12400S
3.500 12 4.00 KTT12P1 RKT-12400A5 - -
2.875 12 5.00 - RKT-12500A - -
3.290 12 5.00 AKT12EHFG RKT-12500A4 - -
2.875 12 6.00 - RKT-12600A - RKT-12600S
2.875 15 2.50 - 15-RKT-12250A 15-RKT-12250CI -
3.500 15 3.00 KTT15-12P 15-RKT-12300A5 - -
2.875 15 4.00 - 15-RKT-12400A - -
3.500 15 4.00 KTT15-12P1 15-RKT-12400A4 - -
2.875 18 2.50 - 18-RKT-12250A - -
3.500 18 3.00 KTT18-12P 18-RKT-12300A5 - -
2.875 18 4.00 - 18-RKT-12400A - -
3.500 18 4.00 KTT18-12P1 18-RKT-12400A5 - -
21 2.00 KTT21-12P2 21-RKT-12200A5 - -
2.875 21 2.50 - 21-RKT-12250A - -
3.500 21 3.00 KTT21-12P 21-RKT-12300A5 - -
2.875 21 4.00 - 21-RKT-12400A - -
3.500 21 4.00 KTT21-12P1 21-RKT-12400A5 - -
2.875 24 2.50 - 24-RKT-12250A - -
4.00 - 24-RKT-12400A* - -
K1-21-30 12" 0.827 (21mm) 16mm 1.181 (30mm) 2.875 10 2.00 - 10-RKT-12208A - -
KITAGAWA
?B-212,
BL-212,
BT-212
Big Bore
BB-212†



SAMCHULLY
HS12, HST12
MH-212†


STRONG
N212


HOWA
H3KT12
SMW
Autoblok
BBM-305/
315,
BHM-305/315		 3.000 10 2.00 AUTO10P 10-RKT-12208A4 - -
2.875 12 2.00 - RKT-12208A RKT-12208CI -
12 2.00 - - - RKT-12208S
3.500† 12 2.00 KTTB212P RKT-12208A4 - -
4.000† 12 2.50 AKT212FG RKT-12258A5 - -
2.875 12 3.00 - RKT-12308A - -
12 4.00 - RKT-12408A - -
3.500† 12 4.00 KTTB212P1 RKT-12408A4 - -
4.000† 12 4.00 AKT212MHFG RKT-12408A5 - -
2.875 12 5.00 - RKT-12508A - -
4.000† 12 5.00 AKT212EHFG RKT-12508A5 - -
2.875 12 6.00 - RKT-12608A - -
15 2.00 - 15-RKT-12208A - -
15 2.50 - 15-RKT-12258A 15-RKT-12258CI -
3.500† 15 3.00 KTT15B212P 15-RKT-12308A4 - -
2.875 15 4.00 - 15-RKT-12408A - -
3.500† 15 4.00 KTT15B212P1 15-RKT-12408A4 - -
2.875 18 2.50 - 18-RKT-12258A - -
3.500† 18 3.00 KTT18B212P 18-RKT-12308A4 - -
2.875 18 4.00 - 18-RKT-12408A* - -
3.500† 18 4.00 KTT18B212P1 18-RKT-12408A4 - -
2.875 21 4.00 - 21-RKT-12408A - -
3.500† 24 2.00 KTT24B212P2 24-RKT-12208A4 - -
K1-18-32 12 0.710 (18mm) 14mm 1.260 (32mm) 2.875 12 2.00 - RMT-12200A - -
2.50 - RMT-12250A - -
3.00 - RMT-12300A - -
K1-18-38 12 0.709 (18mm) 14mm 1.488 (38mm) 2.875 12 2.00 - RKT-12204A RKT-12204CI -
4.00 - RKT-12404A - -
K1-20-35 12 0.788 (20mm) 12mm 1.377 (35mm) 2.875 10 2.00 - 10-RSG-12200A - -
4.00 - 10-RSG-12400A* - -
12 2.00 - RSG-12200A RSG-12200CI -
3.438 12 2.00 SUG12PSTM RSG-12200A4 - -
2.875 12 3.00 - RSG-12300A - -
4.00 - RSG-12400A - -
3.438 12 4.00 SUG12P1STM RSG-12400A4 - -
K1-21-35 12 0.827 (21mm) 16mm 1.378 (35mm) 2.875 12 2.00 - RHO-12200A RHO-12200CI -
4.00 - RHO-12400A - -
15 2.50 - 15-RHO-12250A - -
18 2.50 - 18-RHO-12250A* - -
K1-22-43 15"
&
UP		 0.866 (22mm) 20mm 1.690 (43mm) 3.750 12 4.00 - 12-RKT-15400A* - -
KITAGAWA
BT-15,
B-15,B-18
HOB-15,
HOB-18,
HOH-15,
HOH-18


SAMCHULLY
HAH/HCH 15
HAH/HCH 18


MMK
ZA8-15-120		 15 2.50 - RKT-15250A RKT-15250CI -
2.50 - - - RKT-15250S
4.00 - RKT-15400A - RKT-15400S
5.00 - RKT-15500A - -
6.00 - RKT-15600A* - RKT-15600S
18 2.50 - 18-RKT-15250A - -
4.00 - 18-RKT-15400A - -
21 2.50 - 21-RKT-15250A - -
4.00 - 21-RKT-15400A* - -
24 2.50 - 24-RKT-15250A* - -
4.00 - 24-RKT-15400A - -
K1-26-43 15"
&
UP		 1.005
(25.5mm)


(some mfg's refer to this as 1.004)		 20mm 1.690 (43mm) 3.750 12 3.00 - 12-RKT-15301A - -
KITAGAWA
B-215,
N15,
N18
BB-218


Samchully
HC-15		 15 2.50 - RKT-15251A RKT-15251CI -
2.50 - - - RKT-15251S
4.00 - RKT-15401A - RKT-15401S
1.693 (43mm) 4.313
(4-5/16)		 15 2.00 KTTB215P2 RKT-15201A4 - -
3.00 KTTB215P RKT-15301A4 - -
4.00 KTTB215P1 RKT-15401A4 - -
1.690 (43mm) 3.750 15 5.00 - RKT-15501A - -
18 2.50 - 18-RKT-15251A - -
4.00 - 18-RKT-15401A - -
1.693 (43mm) 4.313
(4-5/16)		 18 3.00 KTT18B215P 18-RKT-15301A4 - -
4.00 KTT18B215P1 18-RKT-15401A4 - -
21 3.00 KTT21B215P 21-RKT-15301A4 - -
1.690 (43mm) 3.750 21 4.00 - 21-RKT-15401A - -
24 2.50 - 24-RKT-15251A - -
4.00 - 24-RKT-15401A - -
K1-22-60 15"
&
UP 		0.866 (22mm) 20mm 2.360 (60mm) 3.750 15 2.50 - RKT-15252A RKT-15252CI -
3.188 15 3.00 KTT15P-2.36 RKT-15302A2 - -
3.750 15 4.00 - RKT-15402A - -
18 2.50 - 18-RKT-15252A - -
4.00 - 18-RKT-15402A - -
21 4.00 - 21-RKT-15402A - -
24 4.00 - 24-RKT-15402A - -

Round Jaw Material: ALUMINUM-6061-T6 Bar Stock, CAST IRON-Gray, STEEL-1018. 18" & Larger- Alum A319 6061-T6
* denotes non-stock item. Please allow 1 week manufacturing time.