Top 10 Diamond Files for Glass – Hand Tools

As an Amazon Associate I earn from qualifying purchases.

1. Trenton Gifts


Carbide Metal Diamond Grit Tool, Trenton Gifts Crystal and Glass Repair File

Trenton Gifts #ad - Made with durable carbide steel: this unique retractable file is an effective way to smooth sharp and broken edges on glassware. It’s compact enough to keep in a tool kit or kitchen drawer. It’s an excellent sharp-edge remover. Use on glass, crystal & china: use this file to repair crystal stemware, ceramic mugs, or porcelain tea sets.

Make sure to wear protective eyewear and always apply water or lubricant while using diamond tools. The rounded side is exceptional for fixing chips, and the flat side is ideal for smoothing. Add to your repair kit: the trenton gifts diamond repair file is a perfect addition to your set of hand tools. Unlike sanders and other smoothing tools, this device is specifically made for use on fragile items. Keep away from children. It’s made with sturdy carbide steel with embedded diamond grains that won’t break or wear down.

Precision scraper smoothes edges: the round design of this file makes it perfect for repairing small chips and cracks. With gentle filing, you can smooth rough or sharp surfaces to make glass or crystal safe to handle. Quick fix for chipped glass: if you want to start fixing chips in glasses and other fragile items, this diamond repair file is a must-have. Whether you’re smoothing chips on the rim or filing a sharp broken edge to prevent cuts, this tool is a great way to make small repairs to fragile items.
BrandTrenton Gifts #ad
ManufacturerTrenton Gifts #ad
Part NumberMSR4257

2. Protian


Premium-Grade 6pc Diamond Needle File Set Soft Grip Stone Tile Glass by Protian

Protian #ad - Grit surface of embedded industrial diamonds, stone, tile, grit 100-120. Blades are permanently coated with industrial diamonds to create hardest abrasive surface available.

Manufacturer's lifetime warranty. Best file for use on glass, hardened steel; rugged clear-view storage case Hardened tool steel blades with chrome finish for rust & corrosion resistance. Comfortable soft pvc grips allow firm hold even with wet hands; 6" length, blade widths 3. 0 - 5. 0mm. Excellent-quality tool set for shop, shaping, home or hobby filing, forming, material removal. Six different styles for superior versatility: half-round, round, square, flat, flat taper & triangular.
BrandProtian #ad
ManufacturerProtian #ad
Weight0.44 Pounds
Part Number5835591

3. HTS


HTS 101I0 6Pc 180mm / 40-600 Grit Diamond Flat File Set

HTS #ad - Includes a vinyl pouch for easy storage. Files are 7" / 180mm long in 40, 80, 240, 400, 150, & 600 grits. 2 3/4" / 70mm diamond coated surface. Includes: 6 flat files 3/8" / 10mm in width. 2 1/2" pvc handles have excellent grip even when exposed to moisture and fluids.
BrandHTS #ad
ManufacturerHobby Tool Supply #ad
Height0.2 Inches
Length8.75 Inches
Weight0.3 Pounds
Width3.75 Inches
Part Number101I0



Marble, Tile, Granite, Total Length 10.4-Inches, Big Comfort Massage Handle Grip, for Glass, Ceramic and Stone, 6-Inch Diamond Coated Flat File, Concrete, Glass Ceramic Tile File, Medium #150 Grit

FITOOL #ad - Big comfort massage handle grip: Soft grip ergonomic handle with hanging holes for convenient storage. Our product use quality grade Level II diamond sands while normal products use most popular Level I grade diamond sands.

Specifications: total length: 104"26. 5cm. Handle sizeLxWxH: 4. 5"x1. 4"x1. 2"11. 4cmx3. 5cmx3. 1cm; product weight: approx. 029lb013kg. Massage design provides comfort for the hands. File length: 6"15cm. To compare with the normal level I dimamond sands quality, ours makes job more efficiency as well as durability and longevity.

Suitable for grinding on glass, fixing chipped glass, tile, stone, rock, ceramic, tile, mirror, bone etc; Used in deburring, ceramics, arts and crafts, marble, many hobbies and professional applications. Medium #150 grit diamond. Quality diamond grit filing surfaces: grit surface of embedded industrial diamonds: medium 150 Grit, Class II quality. File width: 063"1.
BrandFITOOL #ad
Height1.22 Inches
Length10.43 Inches
Width1.38 Inches

5. Diamond Machining Technology


DMT COO Crystal Saver Multi-Purpose Diamond Sharpener

Diamond Machining Technology #ad - No messy oils needed--use dry or with water. Diamond machining Technology Crystal Saver for fast and easy edge repair. Half-round 4-inch coarse diamond file good for all-purpose filing needs. Easily smoothes chipped edges of crystal, china, ceramic, glassware or any hard material. Durable construction will provide years of consistent performance and reliable service.
BrandDiamond Machining Technology #ad
ManufacturerDMT #ad
Height4.25 Inches
Length11 Inches
Weight0.11 Pounds
Width6 Inches
Part NumberCOO
WarrantyManufacturer Warranty



Drilax 6 Pcs Diamond Flat File Set Grit 40 80 150 240 400 600 Wide and Heavy Weight Thick Blades PVC Handles Professional Quality High Density Diamond Coated Flat Glass Jewelry Tool Sharpening

DRILAX #ad - High quality - heavy diamond flat file set - 6 different grits 40 80 150 240 400 600 These are the hard to find - heavy DUTY DIAMOND FILES. 7 inch long with 3 inch Diamond Coated Area - 3/8 inch Wide. Works on glass, granite, tiles, and more.
BrandDRILAX #ad
ManufacturerDRILAX #ad
Part NumberDRILAX_6pcs_Flat_File_Set



Atoplee 10pcs Titanium Coated Mini Diamond Needle File Set for Metal Glass Stone

ATOPLEE #ad - Shank diameter:3mm. Type:flat parallel, round, knife, half-round, flat taper, three-square and square files. Total length:1/2"140m. Surface treatment: Ti; Grit: 150#. Working length:3/4"70mm.
BrandATOPLEE #ad
ManufacturerATOPLEE #ad
Part Number14080007

8. Gaxcoo


Sanding, Wood And More | Free Bonus: Cutter, Jewelers, Hobby, Multipurpose Needle File Set Files Tools Round Files | Small For Metal Sanding

Gaxcoo #ad - 100% money back guaranteed: if for any reason You Are Unhappy with the Product We Will Refund You, No Questions Asked! Excellent for precise light work & fine accurate filing of metal parts.

They'll work on wood, metal, glass and just about anything else. Perfect for delicate work: these are for very small delicate jobs and light detailed sanding. Get the job done: this popular set is ideal for all delicate work, ceramics, plastic, for easy gripping. Quality: excellent quality and price files of varying sizes and shapes You can get into the smallest crevices. Shapes: needle shape: 1 x knife file, round file, oval file, Half Round file, Square file, Taper Flat file, half-round file, Triangle file, Dead-file, Flat file. For use on wood, Comfortable rubber gripper handles, plastic, and soft metals.
BrandGaxcoo #ad
ManufacturerGaxcoo #ad

9. SE


74330DF, SE 6-Piece Flat Diamond Grit File Set

SE #ad - Total length of each file: 7 inches. Usable diamond length: 2-¾ inches. Diamond file width: 10mm. Includes 6 grits from coarse to super fine: 40, 400, 240, 150, 80, 600. Round dipped handle.
BrandSE #ad
ManufacturerSona Enterprises #ad
Height7.25 Inches
Length4 Inches
Weight0.35 Pounds
Width0.25 Inches
Part Number74330DF



Rock, 8inch Diamond Coated Half Round File Plastic Handle Hand Tools for Grinding on Glass, Marble, Bone 120 Grit, Stone

SYPARTS TOOL #ad - Material: Metal & Plastic. Used in deburring, tile, ceramics, fixing chipped glass, mirror, many hobbies and professional applications. Suitable for grinding on glass, marble, rock, stone, bone etc. Working area : 20mm x 200mm; total Length : 290mm; Grit:1201pcs diamond Coated Half Round File.
ManufacturerSYPARTS #ad
Height0.39 Inches
Length12.6 Inches
Weight0.33 Pounds
Width1.18 Inches
Part NumberSY20182000913