Item # RHMDSU03150XXX, Round Head Type U Metallic Drive Screw, with 0.3150" Nominal Dia. On Sales Systems Ltd.

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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Drive Screws > Round Head Type U Metallic Drive Screws > Item # RHMDSU03150XXX


	Item # RHMDSU03150XXX, Round Head Type U Metallic Drive Screw, with 0.3150" Nominal Dia.

Round Head Type U Metallic Drive Screws

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Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.

Manufacturer · Specifications · Codes and Standards · Recommended Hole Size

Manufacturer

Manufacturer		Industrial Fasteners Institute

Specifications

Product		Drive Screws

Unit of Measure		English

Nominal Size or Basic Screw Dia.		5/16 in

Nominal Size or Basic Screw Dia. (Decimal)		0.3150 in

Number of Thread Starts		11

Max. Outside Dia. (D)		0.315 in

Min. Outside Dia. (D)		0.309 in

Max. Head Dia. (A)		0.590 in

Min. Head Dia. (A)		0.557 in

Max. Head Height (H)		0.216 in

Min. Head Height (H)		0.198 in

Max. Pilot Dia. (P)		0.272 in

Min. Pilot Dia. (P)		0.267 in

Codes and Standards

Codes and Standards		ASME B18.6.4 1998

Recommended Hole Size

Drill Size No.		M

Hole Dia.		0.295 in

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	· Nominal Screw Length

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		Type Designations for Tapping Screws and Metallic Drive Screws (PDF, 206KB)

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