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✓Price
$16.99
Home/DIY & Tools/Power, Garden & Hand Tools/Power Tool Accessories/Screwdriver Accessories/Connectors
INJOYTEC 6Pack 1/4 to 4mm Bit Adapter Hex Screwdriver Bit Adapter Magnetic Come With Storage Box 4mm to 6.35mm Drill Extension Kit for Precision Micro Bit and Electronic Repair
★★★★★
$16.99
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1
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About this item
- Package includes: This kit includes 3pcs 1/4-inch to 4mm micro drill bit extension brackets (total length 45mm), 2pcs 1/4-inch to 4mm hexagonal drill bit adapters (total length 25mm), 1pc 4mm to 6.35mm conversion head magnetic sleeve (total length 36mm), and 1pc transparent storage box. Our 1/4-inch to 4mm drill bit adapter kit is abundant in quantity and diverse in types, capable of meeting your various needs.
- Material: Made of high-quality CRV alloy steel, it has high hardness, super hardness, and natural smoothness, is durable, and has high strength.
- Magnetic Design: The 1/4-inch to 4mm micro drill bit extension brackets, hexagonal drill bit adapters, and 4mm to 6.35mm conversion head magnetic sleeves, each sleeve is equipped with a strong magnet, which fixes the micro drill bit more effectively than standard adapters, preventing the drill bit from slipping during precision electronic repair or precision woodworking processes.
- Universal Compatibility: Compatible with 4mm drill bit systems. The hexagonal sleeve design of the micro drill bit ensures compatibility with most standard tools and accessories.
- Widely Applicable: Designed for the gap between standard 1/4-inch drivers and 4mm micro drill bits used in watch, electronic and jewelry repair, making it an indispensable tool for professionals and DIY enthusiasts at home, and easy to use.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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