BOLTS FOR PLASTICS

DST® (EFC 501057)

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BOLTS FOR PLASTICS - DST®

Product Description

Dual Spaced Thread fasteners, or DST®, allow increased thread engagement in softer thermoplastics with their high thread height and wide thread spacing. This also increases resistance to pull-out and improves product performance.

They are available in sizes ranging from #2 to 5/16 (M2.50 to M8.0), in pan, hex, flat, oval, and hex washer head styles, with point styles available of blunt, gimlet or pilot.

Features and Benefits

• Allows use of smaller bosses
• Increased resistance to pull-out
• High thread with a 30° flank angle reduces radial stress in the boss
• Smaller minor diameter than standard screws allows greater shear area
• Shank slot for thread-cutting can be added
These parts are available in all Standard Cold-Headed materials.

EFC 501057

EFC Part Number	Availability	SCREW SIZE	Thread Pitch (P)	High Thread Diameter (HO)	Low thread Diameter (LO)	Reference Minor Diameter (mO)
E50010570001	Call for Quote	3.5	1.34	3.43-3.68	2.74	2
E50010570002	Call for Quote	4	1.34	3.76-4.01	3.3	2.3
E50010570003	Call for Quote	4.2	1.41	4.06-4.32	3.3	2.4
E50010570004	Call for Quote	4.8	1059	4.70-4.95	3.68	2.6
E50010570005	Call for Quote	5.3	1.59	5.03-5.33	3.81	2.9
E50010570006	Call for Quote	5.5	1.59	5.33-5.59	4.24	3.5
E50010570007	Call for Quote	6	1.59	5.84-6.10	4.83	3.7
E50010570008	Call for Quote	6.3	1.69	6.35-6.60	5.08	4.2
E50010570009	Call for Quote	7.2	1.59	6.98-7.24	5.84	4.8
E50010570010	Call for Quote	7.5	1.59	7.24-7.49	6.1	5.1
E50010570011	Call for Quote	8	1.81	7.80-6.35	6.35	5.3
E50010570012	Call for Quote	#5	20	.119-.125	0.1	0.073
E50010570013	Call for Quote	#6	19	.135-.145	0.108	0.08
E50010570014	Call for Quote	#7	19	.148-.158	0.13	0.09
E50010570015	Call for Quote	#8	18	.160-.170	0.13	0.095
E50010570016	Call for Quote	#10	16	.185-.195	0.145	0.105
E50010570017	Call for Quote	#12	16	.210-.220	0.167	0.125
E50010570018	Call for Quote	#13	16	.220-.230	0.18	0.132
E50010570019	Call for Quote	1/4"	15	.250-.260	0.2	0.165
E50010570020	Call for Quote	9/32"	16	.275-.285	0.23	0.188
E50010570021	Call for Quote	5/16"	14	.307-.317	0.25	0.208

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BOLTS FOR PLASTICS - DST®

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