Flat Internal Tooth Lock Washer

Technical drawing of M6 Flat Internal Tooth Lock Washer with labeled dimensions, number of teeth, and cross-sectional view.

(mm)	Φ2	Φ2.5	Φ3	Φ4	Φ5	Φ6	Φ8	Φ10	Φ12	Φ14	Φ16	Φ18	Φ20
d min	2.2	2.7	3.2	4.3	4.3	6.4	8.4	10.5	12.5	14.5	16.5	19	21
d max	2.45	2.95	3.5	4.6	5.6	6.76	8.76	10.93	12.93	14.93	16.93	19.52	21.52
dc min	4.2	5.2	5.7	7.64	9.64	10.57	14.57	17.57	19.98	23.48	25.48	29.48	32.38
dc max	4.5	5.5	6	8	10	11	15	18	20.5	24	26	30	33
h	0.3	0.3	0.4	0.5	0.6	0.6	0.8	1	1	1.2	1.2	1.5	1.5
Number of teeth min	6	6	6	8	8	8	9	10	10	10	10	12	12

The Flat Internal Tooth Lock Washer is a reliable fastener component designed to secure nuts and bolts effectively. Ideal for various mechanical and industrial applications, this washer provides enhanced locking power to prevent loosening due to vibration or torque.

Key Features:

Features internal teeth for improved grip and anti-slip performance
Designed to fit specific diameter ranges for secure fastening
Suitable for use in applications requiring vibration resistance
Constructed from durable materials for long-lasting performance

Specifications:

Diameter sizes (Φ): 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20 mm
Minimum and maximum shaft diameters (d): Ranging from 2.2–21.52 mm
Minimum and maximum hole diameters (dc): Ranging from 4.2–33 mm
Thickness (h): 0.3–1.5 mm depending on size
Minimum number of teeth: 6 to 12, depending on size

The Internal Tooth Lock Washer offers a high-quality locking solution with precise sizing and robust construction, making it an excellent choice for distributors seeking reliable fasteners for vibration-prone applications.