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1/4-20 Phillips Flat Head Self Drilling w/ Wings


Also referred to as a Header TEK Screw and used to fasten 2x4's to steel. 
 Wings ream the hole larger than the threads so the threads will not engage the wood.
 Wings break off when they hit the steel, then the threads engage.
Available in both Zinc Plated Steel and 1,000 Hour Daggar Guard Exterior Coating

Size	Phillips Drive	Point	Drilling Capacity	Wood Thickness
1/4-20 x 2-3/4	#3	#4	.110 – .375	3/4” – 1-3/4”
1/4-20 x 3	#3	#4	.110 – .375	3/4” – 2”
1/4-20 x 3-1/4	#3	#4	.110 – .375	3/4” – 2-1/4”
1/4-20 x 3-1/2	#3	#4	.110 – .375	3/4” – 2-1/2”
1/4-20 x 3-3/4	#3	#4	.110 – .375	3/4” – 2-3/4”

Showing 1 - 5 of 5

1/4-20 x 2-3/4 Phillips Flat Head #4 Point Self Drilling w/ Wings Plated

1/4-20 x 2-3/4 phillips flat head #4 point self drilling w/ wings plated

FTWW1420234

$0.300/ea
1/4-20 x 3 Phillips Flat Head #4 Point Self Drilling w/ Wings Plated

1/4-20 x 3 phillips flat head #4 point self drilling w/ wings plated

FTWW14203

$0.360/ea
1/4-20 x 3-1/4 Phillips Flat Head #4 Point Self Drilling w/ Wings Plated

1/4-20 x 3-1/4 phillips flat head #4 point self drilling w/ wings plated

FTWW1420314

$0.380/ea
1/4-20 x 3-1/2 Phillips Flat Head #4 Point Self Drilling w/ Wings Plated

1/4-20 x 3-1/2 phillips flat head #4 point self drilling w/ wings plated

FTWW1420312

$0.280/ea
1/4-20 x 3-3/4 Phillips Flat Head #4 Point Self Drilling w/ Wings Plated

1/4-20 x 3-3/4 phillips flat head #4 point self drilling w/ wings plated

FTWW1420334

$0.440/ea

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