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Kobalt 8-in Dual-sided Bastard/Coarse Tooth 4-in-1 File

Name: Kobalt 8-in Dual-sided Bastard/Coarse Tooth 4-in-1 File
Brand: Kobalt
SKU: 50385556
Price: 11.98 USD
Availability: InStock
Rating: 4.8 (76 reviews)

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4.8

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Shipping Details

4-In-1 file offers 2 rasps and 2 files for use with wood, plastic and other soft materials
Constructed of C-40 carbon steel and heat-treated to achieve maximum strength and durability
Features a flat rasp and flat file, and half-round rasp and half-round file
Rasp patterns provide rapid material removal when working with rounded or flat stock
Double-cut, bastard patterns used for Intermediate material removal on rounded and flat stock
Pressure, technique and type of material also determine finished results
Hassle-free lifetime guarantee

General
Sub-Type	4-in-1	File Tooth Coarseness	Bastard/Coarse
Number of Pieces	1	File Tooth Cut/Shape	Dual-sided
Handle	No

Dimensions
Size	8-in

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Warranty
Warranty	Lifetime

Miscellaneous
UNSPSC	27111700

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Review

4.8 out of 5

76 Reviews

2 Star

1 Star

100% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The Kobalt 8-inch file is a versatile and durable tool with multiple coarse and smooth surfaces that can effectively shape and smooth a variety of materials, from soft woods to hard metals. Users report it is a sturdy, long-lasting tool that is easy to carry and use for various DIY and home improvement projects. Overall, the file is considered a high-quality, affordable tool well-suited for woodworking, metalworking, and general DIY needs.

Customer review summary generated by AI, including incentivized reviews.

76 Customer Reviews

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4 files in one

Would Recommend

4 files in one, love it!

DavidwjMay 2, 2026
Verified Purchaser

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Small package. Big value.

Would Recommend

A must have tool for any handyman. This versatile tool does the job of multiple different tools but is in a perfect compact configuration that’s easy to carry.

JasonMarch 26, 2026
Verified Purchaser

Was this Review Helpful ?

Excellent

Perfect. Needed to file down bur on conduit. Perfect curve. Just what i needed.

Chucks81October 31, 2025
Verified PurchaserIncentivized

Was this Review Helpful ?

A Small Simple File

Would Recommend

Nice short file that covers both metal and wood. I like the idea of one side being flat and the other being slightly rounded to help cover multiple applications

GregOctober 30, 2025
Verified PurchaserIncentivized

Was this Review Helpful ?

Great 4-in-1 tool

Would Recommend

Great quality and love how there are four coarse levels in one tool. Helping to eliminate the need for multiple

JSH4October 26, 2025
Verified PurchaserIncentivized

Was this Review Helpful ?

3 Questions

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Will it sharpen knives?

Is this good for filing a hole a little larger without causing blemishes/burs on the edge of the hole which is already stained and finished?

If this file flat or year-round? Thanks

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COMPARE PRODUCTS

		Name	Current Item Kobalt8-in Dual-sided Bastard/Coarse Tooth 4-in-1 File
		Ratings	76
		UNSPSC	27111700
		CA Residents: Prop 65 Warning(s)
		Warranty	Lifetime
Harfington3pcs Wooden File Handle 4.72 Inch 8.5mm Round Hole Ergonomic Handles with Metal Collar for 12 Inch Metal Files	Kobalt8-in Bastard/second-cut/smooth Tooth Set File	Kobalt8-in Dual-sided Coarse Tooth Woodcraft File	Kobalt8-in Double-cut Bastard Tooth Half round file	Jorgensen6-in Rasp Coarse Tooth Flat file	Kobalt4-in6-in8-in Single-cutDouble-cut Multi-grade Tooth Set Multipurpose File	Project Source9-in Multi-cut Coarse Tooth Set Flat Half round Knife Round Square Triangle File	Jorgensen10-in Rasp Coarse Tooth Flat file	HarfingtonWood Rasp File 8inch Steel Half-Round Cut File Rasp Multifunctional Hand Files with Wooden Handle for Woodworking Sharpening Wood Metal
	131	93	73	73	51	173	26
27111700	27111700	27111700	27111700	27111700	27111700	27111700	27111700	27111700

	Lifetime	Lifetime	Lifetime	Limited lifetime	Lifetime	Lifetime	Limited lifetime