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Ceramic pin

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Ceramic Dowel Pin High Strength Performance Silicon Nitride Al2o3 Zro2 Dowel Pins

Materials：Alumina (Al2O3)/ Zirconia(ZrO2) /Si3N4 /SiC ...etc
Sizes：Mini-OD: 0.02mm;Max-length: 500mm
Delivery times：2 -25 days(depends on the quantity)
Precision：Ra 0.1um tolerance: 0.001mm... etc
Features：Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation
Customized：Can be custom for special sizes and shapes
1. Factory price and shipment within 24 hours In stocks
2. MOQ:1qty
3. Payment Term: PayPal; T/T; L/C etc.
4. Shipment: by sea by air by courier by post etc.

Free quotes notice:

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Ceramic Dowel Pin High Strength Performance Silicon Nitride Al2o3 Zro2 Dowel Pins

OEM And Custom The Ceramic Parts And Components With Your Drawing Or Demand

Ceramic dowel pin is used as guide pin on projection nut welding.It adopt silicon nitride，AL2O3,ZrO2 etc.ceramic material.With good insulation performance,ceramic dowel pin protect electrode when welding workpiece.But due to ceramic is fragile,more and more dowel pin use KCF material.

Ceramic Dowel Pin Technical Specification

Pins Diameter:M4,M5,M6,M8,M10,M12…

Ceramic dowel pin Application: projection welding,nut welding,stud welding

Type of Ceramic Dowel Pins:Straight Dowel; Oversize Dowel ; Undersize Dowel; Pull; Dowel Pin; Groove Pin

Part of us products dowel pins:

Diameter tolerance of cylindrical dowel pins (parallel pins)

cylindrical dowel pins (parallel pins)
nominal		0.6	0.8	1	1.2	1.5	2	2.5	3	4	5	6
A type(dm6)	min	0.602	0.802	1.008	1.002	1.502	2..002	2.502	3.002	4.004	5.004	6.004
A type(dm6)	max	0.608	0.808	1.008	1.008	1.508	2.008	2.508	3.008	4.012	5.012	6.012
B type(dh8)	min	0.586	0.786	0.986	1.486	1.486	1.986	2.486	2.986	3.982	4.982	5.982
B type(dh8)	max	0.6	0.8	1	1.2	1.5	2	2.5	3	4	5	6
C type(dh11)	min	0.54	0.74	0.94	1.14	1.44	1.94	2.44	2.94	3.925	4.925	5.925
C type(dh11)	max	0.6	0.8	1	1.2	1.5	2	2.5	3	4	5	6
D type(du8)	min	0.618	0.818	1.018	1.218	1.518	2.018	2.44	3.018	4.023	5.023	6.023
D type(du8)	max	0.632	0.832	1.032	1.223	1.523	2.032	2.532	3.032	4.041	5.041	6.041
8 cylindrical dowel pins (parallel pins)

length tolerance of cylindrical dowel pins (parallel pins)

cylindrical dowel pins (parallel pins)
L	min	max	L	min	max	L	min	max
3	2.75	3.25	4	3.75	4.25	5	4.75	5.25
6	5.75	6.25	8	7.75	8.25	10	9.75	10.25
12	11.5	12.5	14	13.5	14.5	16	15.5	16.5
18	17.5	18.5	20	19.5	20.5	22	21.5	22.5
24	23.5	24.5	26	25.5	26.5	28	27.5	28.5
30	29.5	30.5	32	31.5	32.5	35	34.5	35.5
40	39.5	40.5	45	44.5	45.5	50	49.5	50.5
55	54.25	55.75	60	59.25	60.75	65	64.25	65.75
70	69.25	70.75	75	74.25	75.75	80	79.25	80.75
85	84.25	85.75	90	89.25	90.75	95	94.25	95.75
total	4 cylindrical dowel pins (parallel pins)

Tips: OEM ceramic pins, Fast delivery on orders , Business to business, Quick & easy to order

High-consistency and extremely low tolerance dowel pins are ideal for critical fixture construction where precise and accurate placement is critical.

Dowel pins, made of Silicon Nitride (shown above, in white) are available in h6, m5 and m6 tolerances per DIN 6325 and m6 tolerances per ISO 2338. The Z-101 has a high tensile strength, low heat conductivity and high maximum operating temperature to make it suitable for many different applications.

Ceramic materials
· 95%--99.99% Alumina (Al2O3) · Silicon Carbide · Silicon Nitride · TTZ: Magnesia partially stabilized Zirconia (ZrO2)
· YTZP: Yttria partially stabilized Zirconia (ZrO2) · ZDY: Yttria fully stabilized Zirconia (ZrO2)...

	Al ₂O ₃	ZrO2/Y2O3	ZrO2/MgO	MgO	SiC	Si3N4 Reaction sintered	Si3N4 Hot pressed	ALN
Physical properties
Density (g/cm3)	3,9	5,9	5,75	3,58	3,2	3,27	3,29	3,26
Molecular weight (g/mole)	102	-	-	40,4	40,1	140	140	41
Maximum service temperature air (°C)	1700- 1800	1500	1000	2200	1500	1200- 1500	1100- 1600	1000- 1800
Mechanical properties
Hardness (Mohs)	9	-	-	5,5	9	-	-	7
Modulus of elasticity (GPa)	300-400	200	200	250-300	420	170-220	280-310	318
Poisson's ratio	0,25	-	-	0,18	0,14	0,25-0,26	0,27	0,25
Fracture toughness (MPa.m1/2)	2-3	7-13	6-10	-	2,5-3,5	3,5-5	6,1	4,5
Electrical properties
Dielectric constant	9-10	-	-	9-10	-	10	10	9,2
Electrical resistivity at 20°C (Ohm.cm)	>10 ₁₄	10 ₁₃-10 ₁₄	>10 ₁₀	-	10 ₂-10 ₆	>10 ₇	10 ₁₂- 10 ₁₅	>10 ₁₄
Dielectric strength (kV/mm)	10-20	9	2-10	-	-	-	-	15
Thermal properties
Specific heat (J/K/kg)	900	400-500	420	870-880	750	690	680-800	800
Thermal conductivity (W/m/K) at 20°C	26-35	2,2-3,2	1,5-2,5	40-50	63-155	9-30	15-43	180
Coefficient of thermal expansion ( 10-6) from 20 to 1000°C	8-9	10-11	5-16	10-13	4-5	3	3,3	4,4-5,3
Melting point (°C)	2050	2590	-	2800	2500	1900	1900	2200

Precision of manufacture
Dimensional accuracy	Up to 0.001mm
Smoothness	Highest possible mirror
Concentricity	Up to 0.003mm
Parallelism	Up to 0.002mm
The inner hole tolerance	The minimum 0.005mm
Straight flute	The narrowest 0.1x100mm
The thickness of the size	Minimum to 0.02mm
The screw thread	Minimum internal thread M2
Cylindricity	Up to 0.004mm
The linear tolerance	Up to 0.001mm
The smallest aperture	The minimum 0.07mm
Precision process	CNC maching,grinding,lapping
Surface finish	Glazed,polishing or metallized
Visual quality: 1. No cracks, no dark dots, no contamination and sharp edges; 2. Evenly distributed glaze with very smooth surface

Customization & Machining Service
As a professional manufacturer of industrial ceramic components.We can custom the sepcial specifications of ceramic pins or other ceramic parts.High quality,Factory price, on-time delivery, High composition of ceramics

FAQ
1. Monthly Capacity: 50,000-60,000 pcs;
2. Material: OEM or as per your suggestion;
3. Lead time: about 7-10 days, pls confirm the quantities required;
4. Incoterm: FOB, CFR, CIF;
5. Delivery Cost: It is determinated by the destination port;
6. Payment Term: PayPal; T/T; L/C.
7. Shipment: by sea, by air, by courier, by post, etc.

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Ceramic Dowel Pin High Strength Performance Silicon Nitride Al2o3 Zro2 Dowel Pins

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Dongguan Mingrui Ceramic Technology Co., Ltd.

Yongzhou Mingrui Ceramic Technology Co.,Ltd.