| Setting Home page | Collect | Chinese |SN:ace69222987
  Text mode Graphic mode Picture mode
TitleThe dateReading times
荐 Enterprise informationScrew head shapes 2015-05-0745
Screw head shapes

(a) pan, (b) dome (button), (c) round, (d) truss (mushroom), (e) flat (countersunk), (f) oval (raised head)

Pan head

A low disc with chamfered outer edge

Button or dome head


荐 Enterprise informationTypes of screw drives 2015-05-0737
Types of screw drivesMain article: List of screw drives

Common types

External types

External drives are characterized by a female tool and a male fastener.

A screw drive is the system used to turn a screw. At ...

荐 Enterprise informationThread standards 2015-05-0748
Thread standardsMain article: Screw thread

There are many systems for specifying the dimensions of screws, but in much of the world the ISO metric screw thread preferred series has

displaced the many older sys...

荐 Industry informationScrew 2011-07-16160
ScrewA screw, or bolt, is a type of fastener characterized by a helical ridge, known as an external thread or just thread, wrapped around a cylinder. Some screw threads are designed to mate with a compleme...
荐 Industry informationDifferentiation between bolt and screw 2011-07-14180
Differentiation between bolt and screwThere is no universally accepted distinction between a screw and a bolt. Machinery's Handbook describes the distinction as follows:

A bolt is an externally threaded fastener designed for insertion ...

首页 上一页1 下一页 末页 页次:1/1页 共5条记录 5条/每页











The station information
Enterprise information
Industry information

Key word:   

GS.Chen © 2010 All Rights Reserved
add.:No.158 Jin xue Rd, Malu Industrial Park,Shanghai  traffi:021-69955479/69955480  traffi: Time
ICP No.:Shanghai ICP No. 10042274