ISO4161 Metric Grade 8 Serrated Hex Flange Lock Nuts Geomet Steel

Place of Origin China
Brand Name XGFH
Certification ISO9001,EN10204 3.1Certificate
Model Number ISO4161
Minimum Order Quantity 100pcs
Price 0.01-0.2usd/pc
Packaging Details 20-25KG/Carton box and then pallet.
Delivery Time 3-10 work days
Payment Terms T/T, L/C
Supply Ability 500000pcs per month

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Product Details
Name Hex Flange Lock Nuts Standard ISO4161
Material Steel 35K Grade Class 8
Finish Geomet Coating Thickness 8-15μ
Thread Coarse Type Serrated Flange Nut
System Of Measurement Metric Thread Direction Right Thread
Salt Spry Test 1000hours
High Light

ISO4161 serrated hex flange lock nuts


Grade 8 serrated hex flange lock nuts


serrated hex flange lock nuts Geomet Steel

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Product Description

Product Description:



ISO4161 Geomet Finish Steel Grade 8 Serrated Flange LockNuts


ISO4161 Geomet Finish Steel Grade 8 Serrated Flange LockNuts Made In China.

Serrated hex flange nut have enlarged circular base distributes heavy pressures equally in order to assure a secure hold.

Large base requires a greater amount of torque to loosen and will cover an oversized or poorly aligned hole.

We offer low carbon steel, medium carbon steel, alloy steel, stainless steel and brass, aluminum alloy Washers.

Flange nuts can be heated, oxidized black, galvanized, hot bucket galvanized, black zinc, copper plating, nickel plating, chromium plating, Dakota and other treatments to meet various corrosion resistance or strength requirements.

Please state this requirement in your inquiry.


Products name ISO4161 Geomet Finish Steel Grade 8 Serrated Flange LockNuts
Material Carbon Steel:Q235,#45,65Mn,#70;Stainless Steel:SS304, SS316,SS316L
Steel Grade: Class 4,Class 8,Class 10 and Class 12
Finishing Black Oxide,HDG(Hot Dip Galvanized),,Yellow Zinc Plated,Blue White Zinc Plated,Dacromet,PTFE
Related Products DIN933 Hex Bolts,DIN934 Hex Nuts,DIN125 Flat Washers

Flange nuts have a washer-like base to distribute pressure over a greater surface area and ensure the fastener stay tight.

They are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.

Stock Products Flange nut in stock with Black Oxide,Zinc Plated,Yellow Zinc and HDG
Get Free Samples for standard fastener from Jiangyin XiangGu Hardware Products Co.,Ltd
Focus On Supplying High Quality Fasteners.





Hexagon Nuts With Flange
ISO4161 & GB/T 6177.1
ISO4161 Metric Grade 8 Serrated Hex Flange Lock Nuts Geomet Steel 0
d(mm) P(mm) dc(mm) e(mm) k(mm) s(mm)
max min min max min max
M5 0.8 11.8 8.79 4.7 5 7.78 8
M6 1 14.2 11.05 5.7 6 9.78 10
M8 1.25 17.9 14.38 7.64 8 12.73 13
M10 1.5 21.8 16.64 9.64 10 14.73 15
M12 1.75 26 20.03 11.57 12 17.73 18
M14 2 29.9 23.36 13.3 14 20.67 21
M16 2 34.5 26.75 15.3 16 23.67 24
M20 2.5 42.8 32.95 18.7 20 29.16 30





Metric Medium-Strength Steel Flange Nuts—Class 8

No need for a washer—these metric medium-strength steel nuts have a flange that distributes pressure across its surface the way a washer does. Skipping the washer saves assembly time.

Sometimes called collar nuts, the flange gives these nuts a wider profile than standard nuts, so they may not fit in tight spaces.

Made of medium-strength, Class 8 steel, they’re suitable for fastening most machinery and equipment.

All meet DIN 6923 and some meet ISO 4161 dimensional standards, which confirm their compatibility with other parts and tools. The two standards are functionally equivalent.

Unfinished steel nuts are best for dry environments, since moisture will cause them to rust. They are ready for painting and welding.

Zinc-plated steel nuts resist rust, extending their life


ISO4161 Metric Grade 8 Serrated Hex Flange Lock Nuts Geomet Steel 1ISO4161 Metric Grade 8 Serrated Hex Flange Lock Nuts Geomet Steel 2




Q: Are you trading company or manufacturer ?

A: We are factory and OEM are available.

Q: How long is your delivery time?

A: Generally it is 2-5 days if the goods are in stock,or it is 15-30 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: 30% T/T in advance ,balance before shipment or L/C.
If you have another question, please feel free to contact us.