SWISCO - The Replacement Hardware Authority

Step Down Drill Bit

Product Code: 75-503

Step Down Drill Bit
Main product image of the 75-503 Step Down Drill Bit
Quantity Price
1-9 $6.48
10-24 $6.37
25-49 $6.31
50+ $6.25
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Product Description
Step down drill bit, used to drill the proper size hole in screen frame for SWISCO product code 70-008 plunger pins, all in a single operation. The two step high speed steel drill bit has a 7/32 inch shank which steps down to an 1/8 inch.
Customer Questions & Comments
Discussion # Of Replies Last Post Date
Installing Screen Window Plunger PinsThis discussion includes image(s).This discussion includes video(s). 4 Apr 29, 2015
plunger pins and pull tabs 2 Aug 17, 2016
The drilling part for a plunger 2 Sep 29, 2014
Step down drill bit question 2 Sep 10, 2014
replacement pins for screens 2 Mar 4, 2014
STEP DOWN DRILL BIT 6" LONG 5/32" X17/64" 5/32" IS 1/2 " LONG 2 Feb 11, 2014
Step Down BitThis discussion includes image(s).This discussion includes video(s). 2 Jul 29, 2013
What sized plunger pin works with the 75-503 drill bit? 2 Feb 6, 2012
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