Claw couplings / hub clamping, feather key / claw disc: POM, PU / body: aluminium / SJCM / SUNGIL

Promotional pricing ends 30/11/2024

Simple structure comprising of two hubs and one insert, with the insert relieving shock when the inertial load starts and stops. Easy installation and removal type product. SUNGIL The company is a Korean manufacturer established in 1991. Korean coupling market share is 70%, with over 3,000 customers. No1 maker. Rich selection, and short lead-times.

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Part Number
SJCM-55C-GR-12K4X12
SJCM-55C-GR-12K4X12K4
SJCM-55C-GR-12K4X12K5
SJCM-55C-GR-12K4X14
SJCM-55C-GR-12K4X14K5
SJCM-55C-GR-12K4X15
SJCM-55C-GR-12K4X15K5
SJCM-55C-GR-12K4X15K6
SJCM-55C-GR-12K4X16
SJCM-55C-GR-12K4X16K5
SJCM-55C-GR-12K4X16K6
SJCM-55C-GR-12K4X18
SJCM-55C-GR-12K4X18K6
SJCM-55C-GR-12K4X18K7
SJCM-55C-GR-12K4X18K8
SJCM-55C-GR-12K4X19
SJCM-55C-GR-12K4X19K6
SJCM-55C-GR-12K4X19K7
SJCM-55C-GR-12K4X19K8
SJCM-55C-GR-12K4X20
SJCM-55C-GR-12K4X20K6
SJCM-55C-GR-12K4X20K7
SJCM-55C-GR-12K4X20K8
SJCM-55C-GR-12K4X22
SJCM-55C-GR-12K4X22K6
SJCM-55C-GR-12K4X22K7
SJCM-55C-GR-12K4X22K8
SJCM-55C-GR-12K4X24
SJCM-55C-GR-12K4X24K7
SJCM-55C-GR-12K4X24K8
SJCM-55C-GR-12K4X24K9
SJCM-55C-GR-12K4X25
SJCM-55C-GR-12K4X25K7
SJCM-55C-GR-12K4X25K8
SJCM-55C-GR-12K4X25K9
SJCM-55C-GR-12K4X25K10
SJCM-55C-GR-12K4X26
SJCM-55C-GR-12K4X26K8
SJCM-55C-GR-12K4X26K10
SJCM-55C-GR-12K4X28
SJCM-55C-GR-12K4X28K8
SJCM-55C-GR-12K4X28K9
SJCM-55C-GR-12K4X28K10
SJCM-55C-GR-12K5X12
SJCM-55C-GR-12K5X12K4
SJCM-55C-GR-12K5X12K5
SJCM-55C-GR-12K5X14
SJCM-55C-GR-12K5X14K5
SJCM-55C-GR-12K5X15
SJCM-55C-GR-12K5X15K5
SJCM-55C-GR-12K5X15K6
SJCM-55C-GR-12K5X16
SJCM-55C-GR-12K5X16K5
SJCM-55C-GR-12K5X16K6
SJCM-55C-GR-12K5X18
SJCM-55C-GR-12K5X18K6
SJCM-55C-GR-12K5X18K7
SJCM-55C-GR-12K5X18K8
SJCM-55C-GR-12K5X19
SJCM-55C-GR-12K5X19K6

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Rated torque range (N•m)	Shaft Hole Dia.(Already processed) D1 (mm)	Shaft Hole Dia.(Already processed) D2 (mm)	Outer Diameter D (mm)	Overall Length L (mm)	Feature	Rated Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment (mm)	Buffer Part Material	Disc Part Material	Operating Temperature Range (°C)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)	With or without Keyway	d1 Keyway symbol	d1keyway width b1 (mm)	d1Keyway height t1 (mm)	d2 Keyway symbol	d2 keyway width b2 (mm)	d2 keyway height t2 (mm)
56.89 €	1	10 Days	10	20.01 to 50.00	12	12	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
54.48 € 38.14 €	1	Same day Stock	10	20.01 to 50.00	12	12	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K4	4	1.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	12	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K5	5	2.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	14	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	14	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K5	5	2.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	15	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	15	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K5	5	2.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	15	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K6	6	2.8
56.89 €	1	10 Days	10	20.01 to 50.00	12	16	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
54.48 € 38.14 €	1	Same day Stock	10	20.01 to 50.00	12	16	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K5	5	2.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	16	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K6	6	2.8
56.89 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K6	6	2.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	19	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	19	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K6	6	2.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	19	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	19	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	20	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	20	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K6	6	2.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	20	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	20	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	22	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	22	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K6	6	2.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	22	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	22	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	24	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	24	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	24	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	24	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K9	9	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	25	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	25	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	25	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	25	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K9	9	3.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	25	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K10	10	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	26	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	26	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	26	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K10	10	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	28	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	One Side Key Way	K4	4	1.8	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	28	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K8	8	3.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	28	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K9	9	3.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	28	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K4	4	1.8	K10	10	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	12	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	One Side Key Way	K5	5	2.3	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	12	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	-	-	-30～90	±1.40	1.3X10^-4	Both sides keyway	K5	5	2.3	K4	4	1.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	12	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	14	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	One Side Key Way	K5	5	2.3	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	14	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	15	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	One Side Key Way	K5	5	2.3	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	15	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	15	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
56.89 €	1	10 Days	10	20.01 to 50.00	12	16	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	One Side Key Way	K5	5	2.3	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	16	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K5	5	2.3
62.32 €	1	10 Days	10	20.01 to 50.00	12	16	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
56.89 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	One Side Key Way	K5	5	2.3	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8
62.32 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K7	7	3
62.32 €	1	10 Days	10	20.01 to 50.00	12	18	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K8	8	3.3
56.89 €	1	10 Days	10	20.01 to 50.00	12	19	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	One Side Key Way	K5	5	2.3	-	-	-
62.32 €	1	10 Days	10	20.01 to 50.00	12	19	55	59.3	High torsional rigidity / Backlash 0 / Vibration Absorption	35	4000	0.09	[Polyurethane] Polyurethane Elastomer	-	-30～90	1.4	1.3X10^-4	Both sides keyway	K5	5	2.3	K6	6	2.8

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Basic information

Type	Jaw Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Servo Motor
Max. Rotational Speed Range(r/min)	2001 to 4,000	Body Material	Aluminum	Category	Coupling body
Allowable Lateral Misalignment Range(mm)	0.02 to 0.2	Allowable Angular Misalignment(deg)	1

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10,443Suggestion of an applicable part number.

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Stock

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Basic Attributes

Rated torque range(N•m)
20.01 to 50.00

50.01 to 100.00

100～Less than 500
Clear
Shaft Hole Dia.(Already processed) D1(mm)
12

14

15

16

18

19

20

22

24

25

26

28

30

32

35

40

45

50

60
Clear
Shaft Hole Dia.(Already processed) D2(mm)
12

14

15

16

18

19

20

22

24

25

26

28

30

32

35

40

45

50

60
Clear
Outer Diameter D(mm)
55

65

80

104
Clear
Overall Length L(mm)
59.3

63.3

87.2

96.2
Clear
Feature
High torsional rigidity

Backlash 0

Vibration Absorption

Small
Clear
Rated Torque(Nm)
35

60

95

160

190

300

320

600
Clear
Max. Rotational Speed(r/min)
3000

3500

4000
Clear
Allowable Lateral Misalignment(mm)
0.06

0.08

0.09

0.1

0.15
Clear
Buffer Part Material
- Polyacetal
- Polyurethane
  - Polyurethane Elastomer
Clear
Disc Part Material
- Aluminum
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
- With Keyway
Clear
d1 Keyway symbol
K4

K5

K6

K7

K8

K9

K10

K12

K14

K16

K18
Clear
d1keyway width b1(mm)
4

5

6

7

8

9

10

12

14

16

18
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d1Keyway height t1(mm)
1.8

2.3

2.8

3

3.3

3.8

4.3

4.4
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d2 Keyway symbol
K4

K5

K6

K7

K8

K9

K10

K12

K14

K16

K18
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d2 keyway width b2(mm)
4

5

6

7

8

9

10

12

14

16

18
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d2 keyway height t2(mm)
1.8

2.3

2.8

3

3.3

3.8

4.3

4.4
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Type
- SJCM-100C
- SJCM-55C
- SJCM-65C
- SJCM-80C
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Filter by CAD data type
- 2D
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