Centre Punch - Revision history

DT Online: Added Amazon Link

2017-11-07T14:08:22Z

Added Amazon Link

← Older revision		Revision as of 14:08, 7 November 2017
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	~~[[File:~~CentrePunch.png\|300px~~\|right]]~~		<div class="floatright"><dtamazon type="search" search="Centre Punch"><img alt="CentrePunch.png" src="/images/thumb/c/c2/CentrePunch.png/300px-CentrePunch.png" width="300" height="256" srcset="/images/c/c2/CentrePunch.png 1.5x, /images/c/c2/CentrePunch.png 2x" /></a></dtamazon></div>
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DT Online at 08:36, 9 February 2017

2017-02-09T08:36:34Z

← Older revision		Revision as of 08:36, 9 February 2017
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	[[File:CentrePunch.png\|300px\|right]]		[[File:CentrePunch.png\|300px\|right]]
	__TOC__		__TOC__


	=====Description=====		=====Description=====
	[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Scriber]]''')''.
			[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees by holding them '''[[Tangents and Normals\|Tangentially]]''' to a '''[[Tool Grinder]]''' and rotating them. This tends to create grinding marks which run along the point and strengthen it rather than weakening it by going across ''(i.e. in a similar manner to a '''[[Scriber]]''')''.


	=====Features and Uses=====		=====Features and Uses=====

	To stop a drill bit skidding about a metal surface, these are used to make a small indentation to locate the drill centre.		To stop a drill bit skidding about a metal surface, these are used to make a small indentation to locate the drill centre.
	----		----

DT Online at 08:38, 25 November 2016

2016-11-25T08:38:36Z

← Older revision		Revision as of 08:38, 25 November 2016
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	=====Description=====		=====Description=====
	[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[~~Pens, Pencils and Scribers\|~~Scriber]]''')''.		[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Scriber]]''')''.

	=====Features and Uses=====		=====Features and Uses=====

DT Online: Added Template

2016-05-15T12:23:54Z

Added Template

@@ Line 13: / Line 13: @@
 ----
-<div class="buyers-guide">
+{{Centre Punch Buyers Guide}}
 [[Category:Punches]]

Phil: /* DT Online Buyers' Guide */

2016-05-14T15:52:35Z

DT Online Buyers' Guide

← Older revision		Revision as of 15:52, 14 May 2016
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	----		----

	~~=====~~<div class="buyers-guide">DT Online Buyers' Guide~~</div>~~=====		<div class="buyers-guide">
			=====DT Online Buyers' Guide=====
			</div>
	* All punches shown have a good knurled grip.		* All punches shown have a good knurled grip.
	* Those with a square head are less likely to roll off the bench.		* Those with a square head are less likely to roll off the bench.

DT Online: Added Product

2016-05-14T13:09:07Z

Added Product

← Older revision		Revision as of 13:09, 14 May 2016
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	\| <dtamazon product="B0006J4QP0" type="image">Starrett 117D Centre Punch with Round Shank</dtamazon>		\| <dtamazon product="B0006J4QP0" type="image">Starrett 117D Centre Punch with Round Shank</dtamazon>
	\| <dtamazon product="B0049ESVI6" type="image">Spear & Jackson 4mm x 100mm (4inch) Centre Punch</dtamazon>		\| <dtamazon product="B0049ESVI6" type="image">Spear & Jackson 4mm x 100mm (4inch) Centre Punch</dtamazon>
			\| <dtamazon product="B00TYFGVB4" type="image">RDGTOOLS Engineers Bell Punch "Centre find every time"</dtamazon>
	\|-		\|-
	\| <dtamazon product="B0001IW734" type="text">Stanley Centre Punch 0 58 120</dtamazon>		\| <dtamazon product="B0001IW734" type="text">Stanley Centre Punch 0 58 120</dtamazon>
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	\| <dtamazon product="B0006J4QP0" type="text">Starrett 117D Centre Punch with Round Shank</dtamazon>		\| <dtamazon product="B0006J4QP0" type="text">Starrett 117D Centre Punch with Round Shank</dtamazon>
	\| <dtamazon product="B0049ESVI6" type="text">Spear & Jackson 4mm x 100mm (4inch) Centre Punch</dtamazon>		\| <dtamazon product="B0049ESVI6" type="text">Spear & Jackson 4mm x 100mm (4inch) Centre Punch</dtamazon>
			\| <dtamazon product="B00TYFGVB4" type="text">RDGTOOLS Engineers Bell Punch "Centre find every time"</dtamazon>
	\|}		\|}

	[[Category:Punches]]		[[Category:Punches]]

DT Online at 13:00, 14 May 2016

2016-05-14T13:00:20Z

← Older revision		Revision as of 13:00, 14 May 2016
Line 5:		Line 5:
	[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Pens, Pencils and Scribers\|Scriber]]''')''.		[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Pens, Pencils and Scribers\|Scriber]]''')''.

	=====Uses=====		=====Features and Uses=====
	To stop a drill bit skidding about a metal surface, these are used to make a small indentation to locate the drill centre.		To stop a drill bit skidding about a metal surface, these are used to make a small indentation to locate the drill centre.
	----		----

DT Online at 09:45, 14 May 2016

2016-05-14T09:45:32Z

← Older revision		Revision as of 09:45, 14 May 2016
Line 1:		Line 1:
	[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Pens, Pencils and Scribers\|Scriber]]''')''.
	[[File:CentrePunch.png\|300px\|right]]		[[File:CentrePunch.png\|300px\|right]]


	__TOC__		__TOC__

			=====Description=====
			[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Pens, Pencils and Scribers\|Scriber]]''')''.

	=====Uses=====		=====Uses=====

DT Online: Created article

2016-05-14T08:41:41Z

Created article

New page

[https://en.wikipedia.org/wiki/Punch_(tool)#Centre '''Centre Punches'''] are ground to a strong point with an included angle of 90 degrees ''(in a similar manner to a '''[[Pens, Pencils and Scribers|Scriber]]''')''.
[[File:CentrePunch.png|300px|right]]

__TOC__

=====Uses=====
To stop a drill bit skidding about a metal surface, these are used to make a small indentation to locate the drill centre.
----
<span style="color: green">'''Note:'''
Hold the punch to an angle to position on centre then raise to the vertical and strike it sharply with a '''[[:Category:Hammers|hammer]]''' - but only once - striking several times may cause the punch to bounce around.
</span>
----

=====<div class="buyers-guide">DT Online Buyers' Guide</div>=====
* All punches shown have a good knurled grip.
* Those with a square head are less likely to roll off the bench.
{|
|-
| <dtamazon product="B0001IW734" type="image">Stanley Centre Punch 0 58 120</dtamazon>
| <dtamazon product="B0001KA22A" type="image">Draper 84456 4mmx100mm Centre Punch</dtamazon>
| <dtamazon product="B0006J4QP0" type="image">Starrett 117D Centre Punch with Round Shank</dtamazon>
| <dtamazon product="B0049ESVI6" type="image">Spear & Jackson 4mm x 100mm (4inch) Centre Punch</dtamazon>
|-
| <dtamazon product="B0001IW734" type="text">Stanley Centre Punch 0 58 120</dtamazon>
| <dtamazon product="B0001KA22A" type="text">Draper 84456 4mmx100mm Centre Punch</dtamazon>
| <dtamazon product="B0006J4QP0" type="text">Starrett 117D Centre Punch with Round Shank</dtamazon>
| <dtamazon product="B0049ESVI6" type="text">Spear & Jackson 4mm x 100mm (4inch) Centre Punch</dtamazon>
|}

[[Category:Punches]]