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Updated: 06 Apr 2026

10 Best Screw Gauges

#1 Best Pick
Lcolyoli Screw Fit Ear Gauges Kit Surgical Steel Tunnel Expander Earrings Earlobe Plugs Stretching Body Piercing Jewelry Set for Women Men 14G-00G 8 Pairs, 10 millimeters, Metal

Lcolyoli Screw Fit Ear Gauges Kit Surgical Steel Tunnel Expander Earrings Earlobe Plugs Stretching Body Piercing Jewelry Set for Women Men 14G-00G 8 Pairs, 10 millimeters, Metal

Brand: Lcolyoli
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  • TOP MATERIAL--Made of High Quality Surgical Steel, Safe Material, Hypoallergenic, Harmless Your Skin, It's a Healthy Choice for You.
  • VALUE PACK--One Order Includes 8 Pairs Single Flare Screw-Fit Flesh Tunnel(Ear Lobe Piercing Earring Stretchers). Come with One Gift Velvet Bag. Best Fits for Women and Men.
  • MEASUREMENTS--Gauge Size Available: 14G(1.6mm), 12G(2mm), 8G(3.2mm), 6G(4mm), 4G(5mm), 2G(6mm), 0G(8mm), 00G(10mm). Color: Black. Popular as Ear and Earlobe.
  • SCREW FIT--Threaded Flesh Tunnels Unscrew at One End. Easily Insert it Into Your Ear and then Screw the Back on Again. This is the Most Secure Kind of Tunnel and Cannot Fall Out of the Piercing.
  • AFTER SALE SERVICE--All Items are New and Unused.
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#2 Best Value
P & N Quickbit Drill Countersink #12 Gauge Screws, 9/64 inch x 1/4 inch Shank

P & N Quickbit Drill Countersink #12 Gauge Screws, 9/64 inch x 1/4 inch Shank

Brand: P & N
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  • 1/4-Inch hex shank suits quick change adaptors
  • Carbon steel countersink for general use in timber and plastic
  • 82 degree Countersink Angle
  • Made from M2 High Speed Steel (HSS)
  • Offer the best combination of strength, heat and wear resistance
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#3 Budget Pick
JewelrieShop Black Faux Gauges Plugs Earrings for Men Stainless Steel Dot Disc Studs Circle Flat Back Cheater Tunnel Dumbbell Earrings Women(18 Gauges,2 Pairs,3-14mm,Black and Silver), 4 millimeters

JewelrieShop Black Faux Gauges Plugs Earrings for Men Stainless Steel Dot Disc Studs Circle Flat Back Cheater Tunnel Dumbbell Earrings Women(18 Gauges,2 Pairs,3-14mm,Black and Silver), 4 millimeters

Brand: JewelrieShop
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  • HYPOALLERGENIC & SPARKLE MATERIAL: Crafted in Good Quality Stainless Steel Stud Earrings, Hypoallergenic, Lead-Free & Nickel-Free, Safely and Comfortable for Your Sensitive Skin. To keep the best quality, please clean and wear regularly to prevent and help maintain its shininess, store in a jewelry box or pouch while not using them.
  • SIZE, COLOUR AND QUANTITY: 4mm diameter, 2 pairs in each pack (steel x1, black x1). It suits for women and men go with casual wear or more formal outfits to offer the perfect day-to-night accessory.
  • COMFORT FIT: Thickness: 18 Gauge (~1.08mm), they are slightly thicker than those wire earrings. High-polished Finishing and Electroplating. Super Smooth and Comfortable to Wear. Firmly Screw on and Conveniently Screw off. Perfect Size for Ear Lobe, Cartilage, Helix and Tragus Piercings.
  • ELEGANT PACKAGE: Elegant and Fashion stainless steel stud earrings with our own brand "JewelrieShop" designed unique packing, it is a great deal for the price. Perfect accessories for you to showing your special taste and personality.The ideal gift choice for Christmas Day, Anniversary Day, Valentine's Day and Birthday to you loved one.
  • FLATBACK DESIGN: The flat backs are designed for comfort, it prevents the earring from poking into your head when you lay on your side. You will not notice them unless you put your hands under your ears.
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#4 Top Choice
VGOL 2pcs 100mm Stainless Steel Screw Pitch Gauge Set Bolt Nut Thread Size Measurement

VGOL 2pcs 100mm Stainless Steel Screw Pitch Gauge Set Bolt Nut Thread Size Measurement

Brand: VGOL
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  • [Thread Measuring Tool] Designed for precise screw and nut thread size measurement, compatible with metric and imperial standards for versatile applications in maintenance and manufacturing.
  • [Accurate Measurement] 100mm stainless steel blades ensure accurate pitch identification, helping select the correct screw or nut size quickly and efficiently during assembly or repair.
  • [Durable Material] Made of stainless steel for strength, rust resistance, and long service life, suitable for use in workshop, home, or outdoor environments without deformation.
  • [Compact Design] Design with clear pitch markings for easy reading and convenient storage, fitting into toolboxes or pockets for quick on-site measurements.
  • [Set of Two] Includes 2 stainless steel screw pitch gauges, allowing use in multiple workstations or as a backup tool.
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#5 Popular Choice
( M04. 6mm x 2 Pairs (Black + Steel)) - JewelrieShop Black Earrings Men Dot Studs Fake Gauges Plugs Earring Stainless Steel Circle Disc Flat Back Cheater Tunnel Dumbbell Earrings Women (18g,2 Pairs,3mm-14mm,Black and Silver)

( M04. 6mm x 2 Pairs (Black + Steel)) - JewelrieShop Black Earrings Men Dot Studs Fake Gauges Plugs Earring Stainless Steel Circle Disc Flat Back Cheater Tunnel Dumbbell Earrings Women (18g,2 Pairs,3mm-14mm,Black and Silver)

Brand: JewelrieShop
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  • HYPOALLERGENIC & SPARKLE MATERIAL: Crafted in High Quality Stainless Steel Stud Earrings, Hypoallergenic, Lead-Free & Nickel-Free, Safely and Comfortable for Your Sensitive Skin. To keep the best quality, please clean and wear regularly to prevent and help maintain its shininess, store in a jewelry box or pouch while not using them.
  • SIZE, COLOUR AND QUANTITY: 6mm diameter, 2 pairs in each pack (steel x1, black x1). It suits for women and men go with casual wear or more formal outfits to offer the perfect day-to-night accessory.
  • COMFORT FIT: Thickness: 18 Gauge (~1.08mm), they are slightly thicker than those wire earrings. High-polished Finishing and Electroplating. Super Smooth and Comfortable to Wear. Firmly Screw on and Conveniently Screw off. Perfect Size for Ear Lobe, Cartilage, Helix and Tragus Piercings.
  • ELEGANT PACKAGE: Elegant and Fashion stainless steel stud earrings with our own brand "JewelrieShop" designed unique packing, it is a great deal for the price. Perfect accessories for you to showing your special taste and personality.The ideal gift choice for Christmas Day, Anniversary Day, Valentine's Day and Birthday to you loved one.
  • FLATBACK DESIGN: The flat backs are designed for comfort, it prevents the earring from poking into your head when you lay on your side. You will not notice them unless you put your hands under your ears.
Check latest price on Amazon
#6 Top Pick
BEADNOVA Screw Earring Backs 925 Sterling Silver Earring Screw Backs Replacement Screw Back for Earrings (18 and 20 Gauge, 2pcs of Each)

BEADNOVA Screw Earring Backs 925 Sterling Silver Earring Screw Backs Replacement Screw Back for Earrings (18 and 20 Gauge, 2pcs of Each)

Brand: BEADNOVA
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  • 925 STERLING SILVER EARRING BACKS SIZE: Approx. 4.5x6mm. One pair of screw earring back fits for 18 gauge(1mm) screw earrings posts and the other pair of screw earring back fits for 20 gauge(0.8mm) screw earrings posts. Easy to screw on and off. Secure earring backs for studs. Light weight and comfortable to wear.
  • HYPOALLERGENIC MATERIAL: Earring backings are made of top quality and authentic 925 sterling silver. Each piece is stamped with 925, hypoallergenic; it does not oxidize and will be very durable.
  • VALUE PACK: A screw earring backs set comes with 4 pieces (2pairs) sterling silver earring backs (1pair 18 gauge and 1pair 20 gauge). It is packed in a clear handy plastic box and with a silver polishing cloth, it can help to keep earring backs in best performance.
  • SPECIAL DESIGN FOR SCREW EARRINGS: This earring backs are only for screw earrings. Twist front to the right to wear on and twist left to unscrew, they are easy to screw on and off.
  • DIY FAVORITE: Screw earring backings are the best choice of DIY earring lovers, it is excellent for screw earring backs replacements, screw earring making posts, screw earring making supplies, screw earring repairing and screw earring replacement backs.
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#7 Top Pick
BEADNOVA Screw Earring Backs 925 Sterling Silver Screw Back Earring Replacement Screw Backs for Earrings (20 Gauge, 4pcs)

BEADNOVA Screw Earring Backs 925 Sterling Silver Screw Back Earring Replacement Screw Backs for Earrings (20 Gauge, 4pcs)

Brand: BEADNOVA
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  • 925 STERLING SILVER EARRING BACKS SIZE: Approx. 4.5x6mm. This screw earring back fits for 20 gauge(0.8mm) screw earrings posts. Easy to screw on and off. Secure earring backs for studs. Light weight and comfortable to wear.
  • HYPOALLERGENIC MATERIAL: Earring backings are made of top quality and authentic 925 sterling silver. Each piece is stamped with 925, hypoallergenic; it does not oxidize and will be very durable.
  • VALUE PACK: A screw earring backs set comes with 4 pieces sterling silver earring backs (2pairs). It is packed in a clear handy plastic box and with a silver polishing cloth, it can help to keep earring backs in best performance.
  • SPECIAL DESIGN FOR SCREW EARRINGS: This earring backs are only for screw earrings. Twist front to the right to wear on and twist left to unscrew, they are easy to screw on and off.
  • DIY FAVORITE: Screw earring backings are the best choice of DIY earring lovers, it is excellent for screw earring backs replacements, screw earring making posts, screw earring making supplies, screw earring repairing and screw earring replacement backs.
Check latest price on Amazon
#8 Top Pick
OriGlam Stainless Steel Metric Screw Thread Pitch Gauge Tool Set - 55-Degree & 60-Degree Grip Whitworth Measuring Tool

OriGlam Stainless Steel Metric Screw Thread Pitch Gauge Tool Set - 55-Degree & 60-Degree Grip Whitworth Measuring Tool

Brand: OriGlam
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  • Origlam Screw Thread Pitch Cutting Gauge Tool Set Stainless Steel Metric Screw Pitch Thread Gauge Measuring Tool 55 Degree & Metric 60 Degree Grip Whitworth Screw Thread Pitch Gauge
  • Precision Measuring
  • Origlam
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#9 Top Pick
Taskar Nut, Bolt & Screw Measuring Gauge Imperial & Metric Size & Thread Pitch

Taskar Nut, Bolt & Screw Measuring Gauge Imperial & Metric Size & Thread Pitch

Brand: Taskar
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  • For screws/bolts/drill bits - 3mm to 22mm / No. 4 to 1" diameter
  • For Nuts/washers - No. 6 to 5/8"
  • Includes thread pitch gauge
  • Made from durable plastic
  • 22 x 8.5 x 0.8 cm
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#10 Top Pick
ChgImposs Metric & Imperial & US Screw Gauge SAE Whitworth 55 Degree & Metrisch 60 Degree Thread Pitch Gauge for Industrial Measurement

ChgImposs Metric & Imperial & US Screw Gauge SAE Whitworth 55 Degree & Metrisch 60 Degree Thread Pitch Gauge for Industrial Measurement

Brand: ChgImposs
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  • It is 55 Degree & 60 Degree Thread / Screw Pitch Gauge gage with lock up device. Typically used to check the thread size determination is correct
  • Specification: Metric & Imperial & US; Metric: 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.75, 1.5, 1.25.1.0, 0.9, 0.8, 0.75, 0.7, 0.6, 0.5, 0.45, 0.4, 0.35, 0.3, 0.25
  • Imperial: 4G, 4 1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G, 30G, 32G, 36G, 40G, 48G, 60G, 62G; US: 8, 10, 11, 14, 19, 28
  • It is useful to check the tool angle when cutting threads on a metal lathe; Check the angle on the thread cutting tool on the V-groove of the gauge
  • All 58pcs was made by stainless steel, with wire drawing on the surface, not easy to rust. Ensure the accuracy of measurement
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