Bu lông khung mặt bích đầu lục giác lớp 8

$0.01≥1000Piece/Pieces

Hình thức thanh toán:	L/C,T/T,D/P,D/A,Paypal
Incoterm:	FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DDP,Express Delivery
Đặt hàng tối thiểu:	1000 Piece/Pieces
Giao thông vận tải:	Ocean,Land,Air,Express
Hải cảng:	Shanghai,Ningbo

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Đơn vị bán hàng	:	Piece/Pieces
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Bu lông khung hình mặt bích lục giác

Oxit đen DIN6921 Bu lông mặt bích hình hex Hex

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Mô tả sản phẩm

Description	A one-piece hex washer head bolt with a serrated bearing surface,made of medium carbon steel	A one-piece hex washer head bolt with a serrated bearing surface,made of corrosion-resistant stainless.
Applications /Advantages	Designed for use in applications where loosening forces,such as vibration,are present.After being installed,the serrations grip to the bearing surface so that significantly greater torque is needed to loosen the fastener than to tighten it.Can eliminate the need for a lockwasher or locknut in certain applications	For use in applications where corrosion resistance is a greater priority than locking strength.These parts are not hardened so it is important to use only with mating parts of like materials.
Material	Steel	Stainless
Material	Class 8.8 carbon steel chemical composition:Carbon-0.15- 0.55%;Phosphorous-0.35%max;Sulphur-0.35%max	Class A2-70 Stainless
Tempering Temperature	425°CMinimum
Tensile Strength	Class 8.8:800 N/mm²min	700N/mm²
Surface Hardness	HR30N 54.0 max.
Core Hardness	Class 8.8:Rockwell C22-32
Proof Stress	Class 8.8:640 N/mm²min.
Plating	See Appendix-A for plating information	Stainless screws are usually supplied withouta supplemental finish.