Thread Cutting Screws Metal Plastic Types Thread Cutting Screws

Thread Cutting Screw

YOUR EASY GUIDE TO SHAKEPROOF FOR USE IN METALS MATERIAL

Thick ness	Material	Screw Size	2-56		3-48		4-40		4-48		5-40		6-32		6-40
Thick ness	Material	Drill Size	NO.	DIA.	NO.	DIA.	NO.	DIA.	NO.	DIA.	NO.	DIA.	NO.	DIA.	NO.	DIA.
Up To .047	Steel Stainless Steel Aluminum-Sheet		50	.070	46	.081	43	.089	42	.093	37	.104	35	.110	32	116
			50	.070	46	.081	43	.089	42	.093	37	.104	35	.110	32	116
			50	070	47	.078	43	.089	42	.093	38	.101	7/64	.1094	33	.113
.063	Steel Stainless Steel Aluminum-Sheet		50	.070	46	.081	43	.089	3/32	.0938	37	.104	34	.111	32	.116
			49	.073	45	.082	42	.093	41	.096	36	.106	32	.116	31	.120
			50	.070	46	.081	43	.089	42	.093	38	.101	7/64	.1094	32	.116
.078	Steel Stainless Steel Aluminum-Sheet		49	.073	45	.082	42	.093	41	.096	37	.104	33	.113	32	.116
			49	.073	44	.086	3/32	.0938	40	.098	36	.106	32	.116	31	.120
			50	.070	46	.082	43	.089	3/32	.0938	37	.104	34	.111	32	.116
.094	Steel Stainless Steel Aluminum-Sheet		49	.073	45	.082	42	.093	41	.096	36	.106	32	.116	31	.120
			48	.076	44	.086	41	.096	40	.098	7/64	.1094	32	.116	31	.120
			49	.073	45	.082	43	.089	3/32	.0938	37	.104	33	.113	32	.116
.109	Steel Stainless Steel Aluminum-Sheet		49	.073	44	.086	42	.093	40	.098	36	.106	32	.116	31	.120
			48	.076	44	.086	41	.096	39	.099	7/64	.1094	31	120	1/8	.125
			49	.073	45	.082	42	.093	41	.096	37	.104	33	.113	32	.116
.125	Steel Stainless Steel Aluminum-Sheet Cast Aluminum & Zinc Die Cast Cast Iron		48	.076	44	.086	41	.096	39	.099	7/64	.1094	31	.120	31	.120
			48	.076	44	.086	40	.098	39	.099	34	.111	31	.120	1/8	.125
			49	.073	45	.082	42	.093	41	.096	36	.0106	32	.116	31	.120
			48	.076	44	.086	40	.098	39	.099	35	.110	31	.120	1/8	.125
			47	.078	43	.089	38	.101	37	.104	32	.116	1/8	.125	30	.128
.141	Steel Stainless Steel Aluminum-Sheet Cast Aluminum & Zinc Die Cast Cast Iron		48	.076	44	.086	40	.098	39	.099	35	.110	31	.120	1/8	.120
			3/64	.0781	43	.089	39	.099	38	.101	33	.113	1/8	.125	1/8	.125
			49	.073	44	.086	3/32	.0938	40	.098	36	.106	32	.116	31	.120
			48	.076	44	.086	40	.098	39	.099	35	.110	31	.120	1/8	.125
			47	.078	42	.093	37	.104	37	.104	32	.116	30	.128	30	.128
.188	Steel Stainless Steel Aluminum-Sheet Cast Aluminum & Zinc Die Cast Cast Iron				43	.089	38	.101	37	.104	32	.116	1/8	.125	30	.128
					42	.093	37	.104	37	.104	32	.116	1/8	.125	30	.128
					44	.086	40	.098	39	.099	35	.110	31	.120	1/8	.125
					43	.o89	40	.098	38	.101	34	.111	31	.120	1/8	.125
					42	.093	37	.104	36	.106	32	.116	30	.128	30	.128
.250	Steel Stainless Steel Aluminum-Sheet Cast Aluminum & Zinc Die Cast Cast Iron						37	.104			32	.116	30	.128	30	.128
							37	104			31	.120	30	.128	30	.128
							38	.101			33	.113	1/8	.125	30	.128
							39	.099			33	.113	1/8	.125	1/8	.125
							36	.106			31	.120	30	.128	30	.128
.313	Steel Stainless Steel Aluminum-Sheet Cast Aluminum & Zinc Die Cast Cast Iron		NOTE; These tables are based on many years of experience and experimental work. Before blue. prints and shop specifications are finalized, how- ever, the hole size tolerances for a given application should be determined through actual test. Shake- proof will gladly furnish testing samples and test data on request.										30	.128
													30	.128
													30	.128
													1/8	.125
													30	.128
.375 and Up	Steel Stainless Steel Aluminum-Sheet Cast Aluminum & Zinc Die Cast Cast Iron

Metal Applications

Because materials and conditions differ, it may be necessary to
vary the recommended hole size for a particular application. Con-
tact the Engineering Department for specific recommendations.
Many short-screw applications will require a drill two sizes smaller
than the recommended drill. Generally, two full threads above the
slat should be engaged, particularly when using Type 23.

Plastic Applications

For best results all holes should be counterbored to prevent fracturing
the plastic. Thread-Cutting Screws used in plastics may be made from
a larger selection of materials, such as unhardenable stainless steels,
Monel, brass, aluminum, etc.

Thread Cutting Screws
Click on the Items Below:

· Thread-Cutting Screws
· Thread Cutting ScrewsTypes
· Type 1 and 23 Screws
· Type 25 For Plastics Screws
· Screw Selections
· Thread Cutting Screw Guide
· Point Specifications
· Torque Specifications
· Special Heads and Points
· Flat Head
· Pan Head
· Hex Head
· Hex Washer Head
· Oval Head
· Sems and Nib Screws

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