Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG A BRAND Extra Long Drill Bit: 5/16", 155 mm Overall Lg, 140° X-Thinning Point - Coolant-Through Solid Carbide Extended-Length Drill Bits for Steel & Cast Iron
OSGCoolant-Through Solid Carbide Extended-Length Drill Bits for Steel & Cast Iron

OSG A BRAND Extra Long Drill Bit: 5/16", 155 mm Overall Lg, 140° X-Thinning Point

The OSG A BRAND Extra Long Drill Bit (5/16", MPN 653031212) is a coolant-through solid carbide extended-length drill bit designed for steel and cast iron. It features a 155 mm overall length and a 140° X-thinning…

SKU 3G-OTH-202623

Brand
OSG
Item
A BRAND Extra Long Drill Bit: 5/16", 155 mm Overall Lg, 140° X-Thinning Point
Category
Coolant-Through Solid Carbide Extended-Length Drill Bits for Steel & Cast Iron
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

OSG
Manufacturer Part Number
653031212
Type
Coolant Through
Overall Lg
155 mm
X-Thinning Point
140°
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG A BRAND Extra Long Drill Bit (5/16", MPN 653031212) is a coolant-through solid carbide extended-length drill bit designed for steel and cast iron. It features a 155 mm overall length and a 140° X-thinning point, with a specified diameter of 0.3125 inches.

Frequently Asked Questions

What is the OSG A Brand extra long drill bit used for?

This OSG A Brand extra long drill bit is designed for drilling deep holes in steel and cast iron. Its 140° X-thinning point reduces thrust, while coolant-through flutes improve chip evacuation and cooling, making it ideal for high-precision industrial machining applications.

What are the specifications of the OSG 653031212 drill bit?

The OSG 653031212 is a solid carbide extended-length drill bit with a 5/16" (0.3125 inch) diameter and 155 mm overall length. It features a 140° X-thinning point and coolant-through design, optimized for drilling steel and cast iron in demanding production environments.

Where to buy the OSG 653031212 drill bit worldwide?

You can source the OSG 653031212 drill bit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your operations.

How to select the correct OSG extra long drill bit for steel?

Select based on hole depth, diameter, and material. For steel and cast iron, the OSG A Brand with 140° point and coolant-through design reduces heat and improves chip flow. Match the 5/16" diameter and 155 mm length to your application requirements for optimal performance.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG coolant-through solid carbide extended-length drill bits for steel & cast iron. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
OSG A BRAND Extra Long Drill Bit: 9/16", 230 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653056112). Key specifications — attr1233947: 0.5625.
OSG
OSG A BRAND Extra Long Drill Bit: 9/16", 230 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653056112). Key specifications — attr1233947: 0.5625.
OSG A BRAND Extra Long Drill Bit: 29/64", 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653045412). Key specifications — attr1233947: 0.4531.
OSG
OSG A BRAND Extra Long Drill Bit: 29/64", 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653045412). Key specifications — attr1233947: 0.4531.
OSG A BRAND Extra Long Drill Bit: 1/4", 140 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653025012). Key specifications — attr1233947: 0.2500.
OSG
OSG A BRAND Extra Long Drill Bit: 1/4", 140 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653025012). Key specifications — attr1233947: 0.2500.
OSG A BRAND Extra Long Drill Bit: 1/2", 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653050012). Key specifications — attr1233947: 0.5000.
OSG
OSG A BRAND Extra Long Drill Bit: 1/2", 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653050012). Key specifications — attr1233947: 0.5000.
OSG A BRAND Extra Long Drill Bit: 11.5 mm, 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653045212). Key specifications — attr1233947: 0.4528.
OSG
OSG A BRAND Extra Long Drill Bit: 11.5 mm, 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653045212). Key specifications — attr1233947: 0.4528.
OSG A BRAND Extra Long Drill Bit: 7/16", 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653043812). Key specifications — attr1233947: 0.4375.
OSG
OSG A BRAND Extra Long Drill Bit: 7/16", 215 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653043812). Key specifications — attr1233947: 0.4375.

More from OSG

View all OSG parts →
OSG A BRAND Extra Long Drill Bit: 6 mm, 128 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8696600). Key specifications — attr1233947: 0.2362.
OSG
OSG A BRAND Extra Long Drill Bit: 6 mm, 128 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8696600). Key specifications — attr1233947: 0.2362.
OSG A BRAND Extra Long Drill Bit: 3 mm, 90 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8696300). Key specifications — attr1233947: 0.1181.
OSG
OSG A BRAND Extra Long Drill Bit: 3 mm, 90 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8696300). Key specifications — attr1233947: 0.1181.
OSG A BRAND Extra Long Drill Bit: 2 mm, 75 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653007812). Key specifications — attr1233947: 0.0787.
OSG
OSG A BRAND Extra Long Drill Bit: 2 mm, 75 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653007812). Key specifications — attr1233947: 0.0787.
OSG A BRAND Extra Long Drill Bit: 10 mm, 190 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8697000). Key specifications — attr1233947: 0.3937.
OSG
OSG A BRAND Extra Long Drill Bit: 10 mm, 190 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8697000). Key specifications — attr1233947: 0.3937.
OSG A BRAND Extra Long Drill Bit: 7/64", 90 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653010912). Key specifications — attr1233947: 0.1094.
OSG
OSG A BRAND Extra Long Drill Bit: 7/64", 90 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653010912). Key specifications — attr1233947: 0.1094.
OSG A BRAND Extra Long Drill Bit: 7 mm, 140 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8696700). Key specifications — attr1233947: 0.2756.
OSG
OSG A BRAND Extra Long Drill Bit: 7 mm, 140 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8696700). Key specifications — attr1233947: 0.2756.
OSG A BRAND Extra Long Drill Bit: 11 mm, 205 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8697100). Key specifications — attr1233947: 0.4331.
OSG
OSG A BRAND Extra Long Drill Bit: 11 mm, 205 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 8697100). Key specifications — attr1233947: 0.4331.
OSG A BRAND Extra Long Drill Bit: 9/32", 155 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653028012). Key specifications — attr1233947: 0.2813.
OSG
OSG A BRAND Extra Long Drill Bit: 9/32", 155 mm Overall Lg, 140° X-Thinning Point, Coolant Through (MPN 653028012). Key specifications — attr1233947: 0.2813.