一，   概述

本公司长期加工各种美制内外六角螺栓、螺丝、螺钉，螺母；公制内外六角螺钉、螺丝、螺母；美制紧定（凹端，平端，尖端，柱端，凹端滚花等）；公制紧定(凹端，平端，尖端，柱端，凹端滚花等)；国标紧定；花色螺母（焊接螺母，K帽，盘帽，六角法兰螺母，尼龙锁紧螺母,盖型螺帽，各种防松螺帽，碟形螺母，圆螺母，方型螺母等）；精密螺丝（小螺丝：电子螺丝，家具螺丝，玩具螺丝等）；欢迎新老客户来电垂询！

二，   螺丝的主要特点

内六角螺钉是孔式螺钉的一种。内六角圆柱头螺钉与沉头螺钉相似。它们一般多用于各种机床及其附件上。内六角紧定螺钉是一种全螺纹的螺钉，有特别的末端用来支持被连接的机件上。 

三，   表格

我公司主要销售不锈钢内六角螺丝，主要有盘头内六角,沉头内六角,内六角紧定螺丝,还有圆柱头内六角.罗纹直径规格从M1.6mm-64mm,4#-2产品于M20之前工艺为冷墩,M20以后工艺为煅打,,而不锈钢主要采用3系列,304, 316为主,,能更好的防止产品生锈以及氧化而造成成套产品的损伤.抗拉强度可以达到A2-70   A4-80主要服务于石油化工，食品机械，建筑装潢，太阳能工业，水处理设备工业，电子工业等各行各业

3,我厂主要生产的标准有din912,GB70,din7991, ,ISO7380 ,din913,din916,din914及美制内六角螺丝NC/NF (粗牙/细牙)

Hexagon screw is a screw hole. Hexagon socket head cap screws with countersunk head screws like. They are generally used for a variety of machine tools and its Annex. Hexagon socket set screws is a full-thread screws, there is a special terminal used to support the mechanical parts are connected on the

2. Our factory mainly produce stainless steel screws Hexagon, Hexagon main pan head, countersunk head Hexagon, Hexagon socket set screws, as well as cylinder head Hexagon. Rib diameter size from M1.6mm-64mm, 4 # -2 Products in the M20 before the process of cold Tun, M20 after the process of Calcined fight, while the stainless steel used mainly 3 series, 304, 316 main, better able to prevent rust and oxidation product suite of products resulting from the damage. tensile strength can be achieved A2-70 A4-80 main service in the petrochemical industry, food machinery, construction decoration, solar energy industry, water treatment equipment industry, electronic industry and other industries

3, I plant mainly produces the standards din912, GB70, din7991,, ISO7380,  din913, din916, din914, and US-made screws Hexagon NC / NF (coarse teeth / fine tooth)