fastener ตัวยืด
timber fasteners อุปกรณ์ยึดไม้
A Sheet Metal Screw (english) Sheet metal screws with (a) sharp-pointed ends; and (b) fewer threads per inch than type AB screws; and (c) deeper threads with bettere gripping power than type AB. The industrial Fasteners Institue incorrectly labes type A an “obsolete” thread though it is universally preferred in 18-8 stainless over type AB, especially by the marine industry.
Brass (english) An alloy that is 70% copper,30% zinc. One of the most widely used of the copper-zinc alloys; malleable and ductile; excellent cold-working but poor hot-working and machining properties; excellent for soft-soldering; good for silver alloy brazing or oxyacetylene welding, but fair for resistance or carbon-arc welding. Used for drawn cartridges, tubes, eyelets machine items and snap fasteners.
belt fastener เหล็กประกับต่อสายพาน
link belt fastener เหล็กประกับต่อสายพาน
snap fastener กริ๊บ, กระดุมกริ๊บ, สะปริงกริ๊บ
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