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*The "Free Order" promotion applies only to online orders placed between 9:30 a.m. Eastern Time on December 12, 2025, and 9:30 a.m. Eastern Time on December 13, 2025. One order will be selected for every one hundred qualifying online orders and each selected customer will receive a full refund of the total amount paid for that order including product, tax, and shipping. To qualify, orders must be completed and paid in full during the promotional window. The selection process will take place after the promotional window closes. Customers whose orders are selected for a refund will be notified by email at the address provided at checkout. Odds of receiving a refund depend on the total number of qualifying orders received. Refunds will be issued to the original form of payment used at checkout. This promotion cannot be transferred, combined with any other offer, redeemed for store credit, or exchanged for any other value. Penn State Industries reserves the right to review, modify, or cancel the promotion for any reason including suspected abuse or technical issues that affect the integrity of the event. All decisions by Penn State Industries regarding eligibility and refund selection are final.

5/16 in. HSS Drill Bit

Name: 5/16 in. HSS Drill Bit
Brand: Penn State Industries
SKU: PKPERF-DB
Price: 3.95 USD
Availability: OutOfStock

Out of Stock

Thumbnail Filmstrip of 5/16 in. HSS Drill Bit Images

Description

5/16" Drill BitHSS, Compatible with PSI Pen projects Shank size 8.53mm/.34" Length 116.6mm/4.6"

Specifications

Specification	Description
Style:	Standard
Size:	Flute Length 3-3/16in, Overall Length 4-1/2in
Hole Size:	5/16"
Type of Steel:	High Speed Steel
Shank Size:	5/16"
Typical Kit Products:	Perfume Pen,
Compatible Tube Sizes:	5/16"
Category:	Drill Bits

Reviews

Customer Q & A

Where to Use

Where this item is used:

You can use this 5/16 in. HSS Drill Bit to drill the correct size holes in the blanks of any of the projects in the list below:

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