Choose from our selection of hex head cap screws, including over 30,100 products in a wide range of styles and sizes. Same and Next Day Delivery.

Choose from our selection of cap hex nuts, including medium-strength steel hex nuts, stainless steel hex nuts, and more. Same and Next Day Delivery.

Choose from our selection of hex caps, including over 18,400 products in a wide range of styles and sizes. Same and Next Day Delivery.

AFT Fasteners provides a helpful resource on hex head cap screw dimensions, applications, material, hardness, proof load, yield strength and tensile strength for grade 2, grade 5, grade 8 and stainless steel hex cap screws.

内六角头螺钉 (Socket cap screw )亦称窝头螺钉或亚伦螺栓 (Allen bolt)，是头部有一个六角型内孔的螺钉，以六角尺 (hex key, Allen wrench or Allen key)插入内孔后才能拧紧或松动。 内六角螺钉最常使用的是圆柱头螺钉，头径约螺纹主要直径的 1.5倍 (1960系列)，其他头型包括使表面美观的半圆头螺钉 (Bottom head cap screw)和适用于锥形螺丝孔的平头螺钉 (Countersunk head cap screw)。 沉孔设计允许螺钉头不需要外露在被固定的物件表面也还能够转动了，故多使用在 …

2022年9月15日 · Hex head cap screws are a particular type of screw with a hexagon-shaped head designed to be inserted into a pre-tapped hole. They typically have diameters between ¼ – 1 ½”, can be partially or fully threaded, and are available in a variety of grades. Hex head cap screws are most commonly used in automotive and heavy machinery applications.

A hex cap screw is a six-sided bolt with a trimmed hex head and a washer face on the bearing surface. It must meet specific tolerances as described under ASME B18.2.1-1996. Hex cap screws are commonly used in OEM applications where precise tolerances are needed.

Hex head cap screws are threaded fasteners with hexagonal heads, which are six-sided tops without indentations. These screw assortments include a variety of steel or stainless steel screw sizes, finishes, and lengths.

2010年9月2日 · 内六角头螺钉Socket cap screw 亦称窝头螺钉或 亚伦 螺栓 (Allen bolt)，是头部有一个六角型内孔的螺钉，以六角尺 (hex key, Allen wrench or Allen key)插入内孔后才能拧紧或松动。 内六角螺钉 最常使用的是圆柱头螺钉，头径约螺纹主要直径的 1.5倍 (1960系列)，其他头型包括使表面美观的半圆头螺钉 (Bottom head cap screw)和适用于锥形螺丝孔的平头螺钉 (Countersunk head cap screw)。 沉孔设计允许螺钉头不需要外露在被固定的物件表面也还能够转动了，故多 …

六角头螺钉Hex cap screw与大六角螺栓Hex bolt 顾名思义为头部为六角型的外螺纹扣件,设计为使用扳手转动.依照ASME B18.2.1标准,六角头螺钉(Hex cap screw)较一般的大六角螺栓(Hex bolt)的头高和杆长公差小,因此ASME B18.2.1六角螺钉适合安装在所有六角螺栓可以使用的地方,也 ...