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square head bolt

Brand Name:SD

Details: Square Head Bolt...Place of Origin: haiyan

Haiyan Tongcheng Hardware Products Co., Ltd.

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China (Mainland)China (Mainland)

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thimble eye bolt

Details: Square Head Bolt Standard: ANSI C135.1 Galvanized per ASTM A-153 Square Head Bolt,track bolt,fastener....Place of Origin: CN;ZHE

Zhejiang Huantai Fastener Co., Ltd.

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China (Mainland)China (Mainland)

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Square Head Bolt

Model / Specifications:Square Head Bolt/mushroom head sq...

Details: Square Head Bolt/mushroom head square neck bolt We provide the product by our customer's design. 1. Product information: DescriptionOEM CNC partMa...

Xiamen Kingway Trading Co., Ltd.

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China (Mainland)China (Mainland)

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non-standard square head Bolt

Model / Specifications:JM-FB000

Brand Name:JM

Details: non-standard square head Bolt

Shanghai Jian & Mei Industry And Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Hex Head Bolt hex head square bolt

Model / Specifications:Hex Head Bolt hex head square bol...

Brand Name:LB

Details: Hex Head Bolt hex head square bolt DIN931 DIN933 The grade can arrive 10.9...Place of Origin: CN;ZHE

Haiyan Dayu Fasteners Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Zinc Plated square head bolt

Details: square head bolt1.Grade: 4.8 -- 12.9,A2, A42.Size: M6-M723.Finish:plain, zinc plated, hot dip galvanized, dacroment4.Material:Carbon steel, stainl...

Ningbo Yinzhou Sokun Import And Export Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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EBTSC018 Square Bolt

Model / Specifications:EBTSC018

Brand Name:EVER BETTER

Details: Square Bolt EBTSC018 Square head bolt: Square bolt, stainless steel square head bolt 1. Size: As customer's requirement...Place of Origin: CN;SHN

Qingdao Everbetter Industrial And Trade Co., Ltd.

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China (Mainland)China (Mainland)

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ss316 ss304 square head bolt

Model / Specifications:ss304 ss316 square head bolt

Brand Name:Zhengan

Details: ss304 ss316 square head bolt 1Size of square bolt:1/4- 5/8 2.Length of bolt:20-300mm 3.A2,A4 4.stainless steel(ss304 ss316...Place of Origin: CN;GUA

Fast Hardware Electronic Co., Limited

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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bolt,square head bolt

Details: SQUARE HEAD BOLT1, Bolt series: track bolt, segment bolt, metro bolt, tunnel bolt, hex bolt, square bolt, turnout bolt, fish bolt, T bolt etc., an...

Suzhou Huibo Raiway Fastening Co.,Ltd

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China (Mainland)China (Mainland)

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square head bolt

Model / Specifications:square head bolt

Brand Name:HY

Details: Name: square head bolt 1)M5-M20 1/4''-5/8'' Length: 6mm-300mm 2)DIN, UNC/UNF,BSW,GB 3)4.8 8.8 10.9 SS201 SS304 SS312 SS316...Place of Origin: CN;ZHE

Haiyan High Strength Fastening Parts Co., Ltd.

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China (Mainland)China (Mainland)

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grade 8.8 square head bolt

Details: grade 8.8 m12 square head bolt Itemgrade 8.8 m12 square head boltMaterial Carbon steel(Q235,C1010,C1020,C1040.C1045,10b21,etc)Grade GB,ISO,DIN s...

Zheng An Industry (Hong Kong) Co., Ltd.

Business Type:Distributor/Wholesaler

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China (Mainland)China (Mainland)

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Square head bolt( fastener)

Brand Name:TIEBAO

Details: Fastener (Square head bolt)Square head bolt, made of stainless steel material, SS201, S304, SS316. Size: M5-M20mm....

Wenzhou Iron Leopard Fastener Co., Ltd.

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China (Mainland)China (Mainland)

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High tensile Square head bolt/Square head frog bolt

Model / Specifications:according to customers

Brand Name:SUYU

Details: Suzhou SUYU Railway Material Co., Ltd., one professional manufacture of railway material in China, we have our own R & D department, productio...

Shanghai Suyu Railway Fasteners Co., Ltd.

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China (Mainland)China (Mainland)

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stainless steel T bolt

Brand Name:JSZY(OEM)

Details: Once getting your inquiry, I will quote you within one hour.ITEM: Square head bolt, hex bolt, carriage bolt, flange bolt, flat head bolt, eye bolt...

Jiangsu Zhenya Special Screw Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Black DIN 478 square head bolt with collar

Model / Specifications:DIN478

Brand Name:CF

Details: 1.What’s the specification of our Square Head Bolt? 1.NameBlack DIN 478 square head bolt with collar2.standardDIN4783.MaterialCarbon Steel4....

Zhejiang Zhenglian Industry Development Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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carbon steel square head bolt

Model / Specifications:square head bolt

Brand Name:NE

Details: square head bolt1.diameter:M5-M522.length:10mm-1500mm3.grade:4.8,8.8,10.9,12.9,4.finished:zinc,black,HDG,black zinc,etc5.material:carbon steel,all...

Haiyan Neptune Machinery & Electric Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square head bolt

Model / Specifications:OEM

CNC Machining or Not:CNC Machining

Material Capabilities:Steel Alloys

Micro Machining or Not:Not Micro Machining

Brand Name:OEM

Details: Square head bolt Steel material or alloy, and standard threading with square head.cold formed and turning process. OEM service. Square head bolt ....

Cixi Yipin Electronics Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Stainless steel square head bolt

Details: Stainless steel square head bolt Square head machine bolts were the industry standard prior to hex bolts gaining prominence. Square bolts...

Dongguan Dalang Weier Hardware Factory

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square head bolt

Model / Specifications:JTB

Brand Name:Titan

Details: square head bolt Dimensions:M3-M20X5--160mm Material:titanium,titanium alloy,stainless steel...Place of Origin: CN;SHN

Titan Ti-Products Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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machine bolt square head bolt

Details: 1.stay rod electric power line fitting ,overhead line fittingssquare head rod bolt machine bolt 2.suitable high voltage line 4.ISO9001-2008 5.CE

Qingdao Taosheng Metal Products Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square head bolt

Model / Specifications:OEM

Brand Name:JS

Details: produce Square head bolts ,railway bolt, steel structue bolt with nut , hex cap bolt auto bolt T-bolts etc.. Product Name: square head boltsProdu...

Suzhou Jinstar Railway Materials Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square bolt

Brand Name:JSHM

Details: Square bolt/square head bolt/square lag screwsDia: 1/4" - 2"Standard: ASTM, AASHTO, and SAEFinish: Plain, ZP. HDG, BlackMaterial: Carbon...

Jiashan Evershine International Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square head bolt

Details: Name : Square head bolt.Grade: from 2 to 10, from 4.8 to 12.9.Material : Q235, 35#, 45#, 40Cr, 35CrMo, 42CrMo, 20MnTiBFinish: Plain,ZP,BZP,YZP,BO,...

Shanghai Jinrui Norm Parts Supplies Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square head bolt

Brand Name:KAIDA

Details: Item: Square head bolt Material: Carbob steel, Alloy steel, Stainless steel Size: M16--M64 MOQ: 1000pcs...Place of Origin: CN;JIA

Wuxi Kaida Mechanical Components Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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high-performance threaded bolt

Model / Specifications:square head

Brand Name:RedHorn

Details: Square head screw spikes,threaded bolt 1.913 2.933 3.934...Place of Origin: JP

Shanghai Red Horn Engineering Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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machine screw machine bolt square head bolt

Details: We produce hot forged fasteners and accessories (including square head bolt machine screw/bolt) * Diameter: 16 - 64mm (5/8 - 3")* Length: 10...

Ningbo Zhengyu Fasteners Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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black finished carton steel special square head bolt

Details: Square head bolt Non-standard fasteners 1) Materials:Carbon steel,stainless steel,brass etc.2) Finishing:plain,black,zp,yzp,H.D.G.,dacromet etc...

Tongling Linbao Machinery Manufacturing Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square-Head-Bolt-DIN478

Brand Name:Hygoal

Details: 1.Square-Head-Bolt-DIN478 2.zinc plated 3.Delivery time:30-60 days...Place of Origin: CN;ZHE

Ningbo Yinzhou Hygoal Machinery Industrial And Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Square Head Bolt DIN478

Model / Specifications:DIN478

Brand Name:BX

Details: Square Head Bolt DIN478 1.Standard:DIN478 2.Size:M3-M56...

Wenzhou Bangxin Fastener Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Square Head Bolt

Model / Specifications:M10-M48

Brand Name:AOCHI

Details: Square Head Bolt 1)Material:Stainless steel,Iron 2)Size:M10-M48 3)Lentgh;20mm-300mm...Place of Origin: CN;ZHE

Jinan Aomei Special Fasteners Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Product Summary

Square head bolts are typically lag bolts. These lag bolts resemble very large screws and are used when assembling heavy lumber. The advantage in using square head bolts is that they can be tightened with an adjustable wrench. Using the wrench, the square head bolts are easily tightened in close quarters where other tools cannot be used. While lag bolts make up the majority of square head bolts, there are other types of bolts that share the square head design.

Often, bolts used in machinery utilize a square head. The placement of the fasteners in channel iron requires that the designer use square head bolts. The bolt is able to sit inside of the channel with the square head resting against the channel wall. This allows the bolt to be tightened without the need to hold the square head of the fastener.

The furniture industry is a major user of square head bolts. The bolts allow the furniture makers to use them in blind locations. A blind location is where the head of the bolt is not visible or reachable. The designers of the furniture provide wood to fit snugly against the sides of the square head bolts and often cut a recession into the wood to allow the bolts to fit snugly in. Another piece of wood is placed over the bolt, holding it securely in place. With the square head bolts held in place, the nuts can be tightened firmly, attaching the legs or other pertinent parts in position all without holding the head of the bolt. In the early years of the railroad, fasteners with square heads were used to bolt the sections of rail together. By using a square head, the bolts could be tightened firmly without fear of rounding off the bolt head. Often using inferior labor, it was concluded that the square head would also fit snugly in the channel formed by the curve of the rail, making it easy to tell if the bolt was situated correctly. The square heads work so well with the rail that they are still used as the fastener of choice when lying or repairing rail.

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