Square Thread Bolts / Steel Hex Bolt And Nut Grade 8.8 Black oxide
Welcome to open our product's detail page,This product
is Square Thread Bolts / Steel Hex Bolt And Nut Grade 8.8
Black oxide Or Galvanized,the type is square head bolt,we also have
hex head bolt.the grade is 8.8,we also have
4.8,6.8,8.8,10.9,12.9.The surface of product is black oxide,we also
have plain,zinc plated,galvanized.The color have
white,blue,yellow,black.These and the length can be customized
according to your requirements.If there are standards, they can be
customized.We can produce according to
DIN,ISO,GB,ANSI,ASTM,JIS,etc.The anticorrosive performance of this
square head bolt is through salt Spray Test Reach 1000-2000
Hours.We not only have square head bolts, but also square nuts.A
square head bolt with a square nut.
Our delivery time normally in 30-40 days.Delivery time should be
calculated according to the quantity and
processing of the goods.Goods in stock need within 7 days or so.The terms of trade we use are:FOB,CIF,CFR,etc.
The product application of bolts is very wide and can be applied
to:Marchinery, Chemical Industry, Environmental,Building,ect.
Other fastener information:
|Name||Bolt, Screw, Nut, Washer, Rod, Fastener, Stamping, Garage door
|Standard||DIN, IFI, ISO, JIS, AS, BS, EN, SAE, ASTM|
Bolt: Gr 4.6 4.8 5.6 5.8 8.8 10.9 12.9 14.9 (DIN)
Bolt: Gr 2 Gr 5 Gr 8 (ASTM)
Nut: Gr/8/ Gr 8 Gr10 Gr 12 (DIN)
Nut: Gr 2 Gr 5 Gr 8 (ASTM)
|Thread||UNC, UNF, UNEF, M, BSW, BSF, TR, ACME, NPT TP|
Carbon steel (#1035,#1045, 40Cr, 35CrMo, 42CrMo, B7, 20Mn2, M20)
Stainless Steel (303, 304 , 304L, 316, 316L)
Brass (H58, H59, H62)
|Size||M2.5-M72( DIN) 3/16’’-3’’ (ASTM)|
Plain, Zinc plated, Passivated, Nickle, plated, H.D.G.,Black
Oxided, Dacromet, Geomet,etc
|Production Technique||Cold forging, Hot forming, Machining, Heat treatment, Staming, etc|
|Production Capacity||300tons per month|
- Professional Manufacturer: All of our Fastener are designed and
manufactured according to buyers' specification and performance.
- Quality is guaranteed: Durability testing and critical technical
design to enhance fasteners lifetime.
- Cost effective: Competitive prices with factory directly supply
- Customized Ideal Fasteners: customized services according to the
samples and drawings offered.
The chart description:
This is the specification table of square head bolt,it contains the specific data of square head bolt,including nominal diameter,screw pitch and so on.nominal diameter
is from M16 to M24,it corresponds to a different pitch.Contains the maximum and minimum values.These data correspond to the following details drawing.
|nomnial length L|| Quality of every 1000 pieces of steel≈kg|
|20||21.01|| || || || || || |
|25||23.46||34.09||48.48|| || || || |
|30||25.92||37.65||53.36||74.61|| || || |
This is the details drawing of square head bolt.The pictures of bolt horizontal plane figure on the left,the right is the top view of the bolt.