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Bolts


Nuts


Washers 

Northstar is capable to
supply from 1/2" (12mm)
diameter through 2-1/2" (63mm)
diameter in lengths up to 12 meter

•  Hex Bolts

•  Structural Bolts

Northstar's inventory of nuts covers both domestic and import and are compatible
for many grades of bolts in either plain or hot-dip galvanized finish.

•  Finished Hex Nuts

•  Heavy Hex Nuts

Northstar carries an extensive line of washers compatible for the fasteners
we manufacture and stock.


• 
Standard Flat Washers


 Technical Information   

 •  ASTM Specification Summaries                 •  Bolt Strength Requirements                         •  Nut Compatibility Chart

  ASTM Specification           

 •  ASTM A153 Hot dip galvanizing specification

 •  ASTM A193 Alloy steel & stainless steel bolting materials for high temp service

 •  ASTM A194 Carbon & alloy nuts for bolts on high pressure & high temp service

 •  ASTM A307 Carbon steel bolts & studs from 1/4¡± through 4¡± diameter

 •  ASTM A320 Alloy steel & stainless steel bolting materials for low temp service

 •  ASTM A325 Structural bolts, steel, heat treated, 120/105 ksi minimum tensile strength

 •  ASTM A354 Quenched & tempered alloy bolts, studs and other externally threaded fasteners

 •  ASTM A449 Quenched & tempered alloy bolts & studs

 •  ASTM A490 Structural bolts, alloy steel, heat treated, 150 ksi tensile strength

 •  ASTM A563 Standard specification for carbon & alloy steel nuts

 •  ASTM F1554 Anchor bolts designed to anchor structural supports to concrete foundations

 • ASTM F2329 New specification covering hot dip galvanizing



 
 
IBOLTS NUTS AND WASHER
HEX BOLTS
STUCTURAL BOLTS
FINISHED HEX NUTS
HEAVY HEX NUTS
STANDARD FLAT WASHERS
 
 
 
 
 

                      
#3B-102, Joinhands Science Park, No.4028 Nanhuan Road, Binjiang District, Hangzhou, China 310053 Tel +86 571 86691189 Fax +86 571 86691198     Email   sales@npec.com.cn
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