ISO 4035 Hexagon Thin Nuts

Our ISO 4035 Hexagon Thin Nuts are precision-engineered, low-height fasteners designed for applications where space is at a premium and a standard nut profile is unsuitable. As part of the globally recognized ISO metric fastener system, these nuts offer dimensional interchangeability and reliable performance worldwide. With a height significantly less than a standard hex nut, they provide an ideal solution for use as lock nuts (jam nuts), thread protectors, spacers, or in assemblies with strict axial clearance constraints. Manufactured to exact ISO 4035 specifications, they ensure consistent quality, fit, and function in any metric-based design.

Description

Product Details

Name	Thin Nuts	Materials	Carbon Steel/Stainless Steel
Standards	ISO4035	Strength level	4 8 10 A2-70 A4-70 A4-80
Size	M1.6-M52	Surface finish	ZP\HDG\BLACK\Dacromet etc.
Length	/	Samples	Available

Product Parameters

Thread Size		M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16	M20	M24	M30	M36
D		M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16	M20	M24	M30	M36
P	Pitch	0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2.5	3	3.5	4
da	max	1.84	2.3	2.9	3.45	4.6	5.75	6.75	8.75	10.8	13	17.3	21.6	25.9	32.4	38.9
da	min	1.6	2	2.5	3	4	5	6	8	10	12	16	20	24	30	36
dw	min	2.4	3.1	4.1	4.6	5.9	6.9	8.9	11.6	14.6	16.6	22.5	27.7	33.2	42.8	51.1
e	min	3.41	4.32	5.45	6.01	7.66	8.79	11.05	14.38	17.77	20.03	26.75	32.95	39.55	50.85	60.79
m	max	1	1.2	1.6	1.8	2.2	2.7	3.2	4	5	6	8	10	12	15	18
m	min	0.75	0.95	1.35	1.55	1.95	2.45	2.9	3.7	4.7	5.7	7.42	9.1	10.9	13.9	16.9
mw	min	0.6	0.8	1.1	1.2	1.6	2	2.3	3	3.8	4.6	5.9	7.3	8.7	11.1	13.5
s	max=nominal size	3.2	4	5	5.5	7	8	10	13	16	18	24	30	36	46	55
s	min	3.02	3.82	4.82	5.32	6.78	7.78	9.78	12.73	15.73	17.73	23.67	29.16	35	45	53.8

Thread Size		M42	M48	M56	M64	(M3.5)	(M14)	(M18)	(M22)	(M27)	(M33)	(M39)	(M45)	(M52)	(M60)
D		M42	M48	M56	M64	(M3.5)	(M14)	(M18)	(M22)	(M27)	(M33)	(M39)	(M45)	(M52)	(M60)
P	Pitch	4.5	5	5.5	6	0.6	2	2.5	2.5	3	3.5	4	4.5	5	5.5
da	max	45.4	51.8	60.5	69.1	4	15.1	19.5	23.7	29.2	35.6	42.1	48.6	56.2	64.8
da	min	42	48	56	64	3.5	14	18	22	27	33	39	45	52	60
dw	min	60	69.5	78.7	88.2	5.1	19.6	24.9	31.4	38	46.6	55.9	64.7	74.2	83.4
e	min	71.3	82.6	93.56	104.86	6.58	23.36	29.56	37.29	45.2	55.37	66.44	76.95	88.25	99.21
m	max	21	24	28	32	2	7	9	11	13.5	16.5	19.5	22.5	26	30
m	min	19.7	22.7	26.7	30.4	1.75	6.42	8.42	9.9	12.4	15.4	18.2	21.2	24.7	28.7
mw	min	15.8	18.2	21.4	24.3	1.4	5.1	6.7	7.9	9.9	12.3	14.6	17	19.8	23
s	max=nominal size	65	75	85	95	6	21	27	34	41	50	60	70	80	90
s	min	63.1	73.1	82.8	92.8	5.82	20.67	26.16	33	40	49	58.8	68.1	78.1	87.8

Key Features & Benefits

Globally Standardized Dimensions: Conformity to ISO 4035 guarantees universal compatibility with other ISO-metric fasteners, ensuring easy sourcing, replacement, and interchangeability in international projects and supply chains.

Optimized Space Efficiency: The reduced height (approx. 0.8 x nominal diameter) solves critical clearance issues in compact designs, electronic enclosures, and tight machinery compartments, enabling more innovative and efficient engineering.

Versatile Functional Roles: Primarily used as a secondary lock nut (jam nut) to secure a primary nut against vibration loosening. Also perfectly suited for protecting exposed threads, acting as a precision spacer, or serving as a low-profile fastener in thin materials.

Full Wrench Engagement: The complete hexagon profile provides ample contact surfaces for standard wrenches or sockets, allowing for proper torque application and secure installation even with the low profile.

High-Strength Material Options: Available in standardized property classes, ensuring predictable mechanical performance and the ability to match the strength requirements of your assembly.

Broad Corrosion Protection: Offered in a wide range of commercial and technical finishes to withstand diverse environmental conditions, from general indoor use to harsh industrial atmospheres.

Intended Applications

ISO 4035 Thin Nuts are indispensable in global industries for space-saving and locking solutions:

Precision Engineering & Robotics: In compact actuators, sensor mounts, and joint assemblies where every millimeter counts.

Automotive & Aerospace: For adjustments, locking mechanisms, and securing components in confined spaces within engines, transmissions, and airframes.

Electronics & Telecommunications: Securing PCBs, chassis components, and connectors inside tight enclosures and racks.

General Machinery & Industrial Equipment: As jam nuts on lead screws, ball screws, bearing retainers, and hydraulic fittings.

Construction & Metalwork: For adjustable bracing systems, glazing fittings, and as spacers in structural connections.

Maintenance, Repair & Operations (MRO): A versatile item for thread protection, makeshift spacers, and field repair lockouts.

Installation Guidelines

As a Lock Nut (Jam Nut Method - Recommended Practice):

First, tighten the primary, load-bearing nut to its specified torque against the workpiece.

Then, thread the ISO 4035 thin nut against the primary nut.

Hold the primary nut stationary with one wrench.

Using a second wrench, tighten the thin nut firmly against the primary nut to create a strong friction lock that resists vibration.

For Spacing or Thread Protection:

Thread the nut onto the bolt or stud to the desired position to act as a precise gap filler or to shield threads from damage.

Crucial Note: When used for locking, the thin nut is always secondary. The primary nut must carry the full clamp load. The thin nut's function is solely to lock the primary nut in place.

Why Choose Our ISO 4035 Hexagon Thin Nuts?

International Compliance Guarantee: Our certification and quality controls ensure full traceability to ISO standards, critical for export, OEM, and regulated industries.

Engineering-Grade Quality: Rigorous testing for dimensions, thread accuracy, and mechanical properties provides reliable performance.

Complete Technical Support: Our team provides guidance on property class selection, corrosion prevention, and correct application engineering.

Global Supply Chain Ready: We support projects worldwide with reliable logistics and documentation (including material certificates 3.1 upon request).

About Us

SEVEN REASONS WHY SHOULD YOU CHOOSE HAOSHENG FASTENER

1.Focus on Fasteners

Deeply cultivating the fastener industry for 30 years, serving a total of 10000+ customers

2.Scale and Strength

The factory covers an area of 20000 square meters and has an annual output exceeding 60000 tons

3.Honor and Qualifications

We own ISO9001 ISO14001 and ISO45001 three major System Certifications and are High-tech Enterprise in Hebei Province

4.Internationalization

We have exported to 38 countries and regions and our duty for the EU anti-dumping is 39.6%.

5.Free Sample

We accept free samples for your convenience to inspect if our quality meet your needs.

6.Spot Goods

The inventory of hot selling products reaches up to 2000 tons, meeting the needs of different customers.

7.Source factory

We support customization and have a wide range of fastener products. The price is competitive and there are no intermediaries.

Certificate

Production Process

Customers

FAQ

Q1: Are you manufacturer or trading company?

A1: We are professional manufacturer with 30 years experience. We accept OEM, ODM as your needs and assure the competitive price and quality for you.

Q2: Can you offer me sample?

A2: Yes, we can offer you sample to test and check quality.

Q3: How does your factory do regarding quality control?

A3: We have professional QC team to inspect each items from the links of production to package.

Q4: How about your delivery time?

A4: Normally it will take 30-35 days after receiving your deposit.

Q5: What is your terms of payment?

A5: T/T 30% as deposit, and 70% balance before delivery.

Q6: What advantages we have?

A6 1.Strict QC: For each order, strict inspection will be carried out by the QC department before shipping. The bad quality will be avoid within door.

2.Shipping: We have shipping department and forwarder, so we can promise faster delivery and make the goods well protected.

3.Our factory professional production metal box drawer system ,hinge，concealed drawer slides ,ball bearing slides , etc furniture fittings.

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