Name: #10 × 1/2 بوصة (80 قطعة) براغي سداسية للحفر الذاتي، 410 أكسيد أسود من الفولاذ المقاوم للصدأ، تتضمن لقمة محرك مغناطيسية وحقيبة - لا يوجد ثقب مسبق للمعادن والخشب وإصلاح المركبات الترفيهية والمقطورة (BK ST4.8x13)
Brand: HirtuOtter
Availability: InStock

مميزات خاصة

【Strong & Rust-Resistant – The Truth About 410 Stainless Steel】 Concerned about magnetism? 410 stainless steel is naturally magnetic – a sign of high strength, not lower quality. It resists rust for outdoor projects, marine use, and pressure-treated wood. No orange rust stains on your finished work. Verified buyer: "Replaced my rusty hardware with these – looks great!"
【Magnetic Bit + No-Washer Design – Effortless Installation】 The included magnetic hex bit holds screws securely for one-handed starts in tight spaces – even upside down. Our no-washer design means the screw length you see is exactly what threads into your material. Precise depth control and full thread engagement every time. Bit is size-matched to your screws for perfect fit.
【Self-Drilling Power – No Pre-Drilling Needed】 Skip the pilot holes. Our heat-treated self-drilling point cuts through sheet metal, aluminum, and thin steel instantly. No center punching, no pre-drilling. A DIYer confirms: "The hex head is much less likely to cam out than a Phillips bit." Ideal for metal roofing, HVAC, and trailer repair.
【Full Transparency – Total Length Includes Drill Point】 Plan with confidence. The stated screw length includes the self-drilling point. We give you honest specs so you can select the perfect size for optimal thread engagement and a hold that won't fail. No hidden shortcuts.
【Complete Pro Kit – Ready to Work Out of the Box】 Kit includes: screws, size-matched magnetic hex bit, and rugged reusable storage case. Everything organized and protected – open the box and start working. No store trips, no hunting for the right bit. Backed by 24/7 customer support and our "Better and Easier" promise.

وصف

HirtuOtter 410 Stainless Steel Self-Drilling Screws – Hex Head, Rust-Proof, Magnetic Bit Included
✔ No Pre-Drilling No Rust One-Handed Installation
Stop struggling with cheap screws that strip, rust, or require pilot holes.

Why HirtuOtter Beats Ordinary Screws
✖ Ordinary Screws ✔ HirtuOtter Difference
Require pre-drillingSelf-drilling point cuts through metal
Phillips head stripsHex head + magnetic bit = no cam-out
Rust outdoors410 stainless steel resists corrosion
Loose in toolboxReusable case keeps organized

The HirtuOtter Advantage
✔ Real Self-Drilling Power
Our heat-treated tip bites through sheet metal, aluminum, thin steel instantly.
✔ No pre-drilling No center punching
Perfect for: Metal roofing Trailer repair HVAC Automotive
✔Magnetic Bit – Precision-Matched to Your Screws
Unlike generic bits that don't fit right, each HirtuOtter kit includes a magnetic hex bit precision-matched to your screw size – so the bit fits snugly, the magnet holds securely, and you never strip a head.
Size-specific fit – no wobble, no slipping
Start screws with one hand in tight spots
✔410 Stainless Steel – Strong, Magnetic & Rust-Resistant
Truth: 410 stainless is naturally magnetic – a sign of high strength, not low quality.
Resists corrosion for outdoor & marine use
★★★★★ "Replaced my rusty hardware with these – great quality!"
✔No-Washer Design – Full Thread Engagement
Unlike screws with attached washers that steal thread length:
You get the full screw length for maximum holding power
✔Complete Kit
Screws + Magnetic bit + Reusable case
Open and start working – no store trips.

Common Uses
RV/TrailerMetal RoofingWood Projects
Panels, trim, framesPurlins, flashingMetal to wood
HVAC/DuctOutdoor FurnitureMarine/Dock
Sheet metal jointsChairs, tablesBoat, dock hardware

FAQs
Q: Why magnetic? I thought stainless wasn't.
A: 410 stainless is naturally magnetic – it's stronger than non-magnetic 304, still rust-resistant.
Q: Need to pre-drill?
A: For metal, no – self-drilling point does the work. For thick steel/hardwood, pilot hole helps.
Q: Fit my drill?
A: Yes. Standard 1/4" hex fits all drills and impacts.
Q: Risk-free?
A: Not satisfied? We'll refund or replace – no questions.

Our Promise
Honest specs – we explain the magnetic truth
Complete kit – bit & case included
24/7 support – we make it right

HirtuOtter – Better fasteners. Easier projects.

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