Hollow Bolt

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Hollow Bolt

A hollow bolt comprises a head and a screw, wherein a groove is axially formed in a central position at the bottom of the screw; and the screw is provided with a cylindrical through hole perpendicular to the axis of the groove. According to the hollow bolt, the problems of higher production cost and poor fastening effect in the prior art are solved.

description1
Zipper closure 1/4 zip athletic pullovers for men. Stretchy, lightweight, fast-drying fabric for superior performance. REGULAR FIT - US standard sizes. An athletic fit that sits close to the body for a wide range of motion, designed for optimal performance and all day comfort. FEATURES - Quarter zip closure;Thumbholes on long sleeves to keep them in place during workout
Product Information

Product Features:
Standard:ISO, DIN, ANSI, JIS, BS and Non-standard
Size:M3-M100
Material:1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS420
2.Steel:C45(K1045), C46(K1046),C20
3.Carbon Steel: 1010,1035,1045
4.Aluminum or Aluminum Alloy:Al6061,Al6063,Al7075,etc
5.Brass:H59,H62,Copper,Bronze
Grade:SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc.
Thread:UNC,UNF,UEF,UN,UNS
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc.

Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment:T/T, L/C, West Union,Paypal.Etc
Market:Europe/South&North Amrica/East&South East Asia/Middle East/Australia And Ect.

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