WACTEC HSS 15-Piece Twist Drill Bit Set

HSS 15-Piece Twist Drill Bit Set

Specifications：

15-Piece Twist Drill Bit Set Includes – What’s Inside the Box

This 15-piece twist drill bit set configuration is not randomly selected. It is designed around the most commonly consumed drilling sizes in workshop, repair, and installation markets.

This size structure helps distributors offer a set that is easy to understand, easy to sell, and practical for repeat purchase.

Built for Distributors Who Need Stable, Repeatable Drill Bit Quality

For drill bit importers and hardware distributors, the real problem is usually not whether a drill bit can make a hole once. The bigger issue is whether the same product can perform consistently across different shipments, different end users, and different working conditions.

Many low-cost twist drill bit sets in the market look similar on the shelf, but the quality difference appears quickly during use. Common problems include poor centering, fast edge wear, overheating, drill walking on metal surfaces, uneven coating, and breakage in smaller diameters. These problems directly affect distributors because they create complaints, returns, and reduced confidence from hardware stores or workshop customers.

The WACTEC HSS 15-Piece Twist Drill Bit Set is designed as a practical drilling accessory set for B2B supply. It uses 4241 HSS material, titanium coating, a 135° cutting angle, round shank structure, and double back relief design to support stable daily drilling performance. For wholesalers and importers, the main value is not exaggerated performance claims, but a balanced product that can be sold repeatedly through hardware channels, tool shops, maintenance suppliers, and OEM accessory programs.

Why This 15-Piece Twist Drill Bit Set Configuration Makes Sense for Wholesale Channels

A good twist drill bit set should match real user consumption. In daily workshop use, small drill bits are often consumed faster than larger sizes because they are used for pilot holes, alignment holes, thin metal drilling, and fine installation work. That is why this set includes two pieces each of 1.5 mm, 2.0 mm, and 2.5 mm.

The middle size range from 3.0 mm to 5.0 mm covers the most common repair and assembly applications. These sizes are frequently used for brackets, screws, hinges, frames, electrical installation, furniture work, and general maintenance. For a distributor, this makes the product more practical than a set that only looks complete but lacks the most-used sizes.

The larger 6.0 mm, 8.0 mm, and 10.0 mm bits complete the assortment for wider drilling requirements. They give end users enough range for installation and fixing work without making the set too expensive or too heavy for mass-market sales.

This configuration is especially suitable for markets where customers want a useful twist drill bit set at a reasonable price point, rather than a professional oversized set with many rarely used sizes.

Material and Coating Logic

The 4241 HSS material is suitable for general-purpose twist drill bits used in hardware and maintenance markets. It provides a practical balance between cost, cutting performance, and durability. For B2B buyers, this balance is important because the product must be competitive in price while still offering reliable use for common drilling tasks.

The titanium coating provides a harder surface layer and helps reduce friction during drilling. In real use, this can slow down visible wear and reduce heat build-up when the bit is used properly. For distributors, the titanium finish also improves shelf presentation because the product looks more professional and is easier for customers to recognize as a coated twist drill bit set.

The 135° cutting angle helps improve positioning when drilling into metal surfaces. Compared with basic low-angle drill tips, this geometry reduces the tendency of the drill bit to walk at the start of drilling. This is useful for end users who need cleaner starts and more accurate holes in repair, fabrication, and installation work.

The double back relief angle is another important structure. It helps reduce resistance behind the cutting edge and supports smoother chip movement. In practical terms, the drill bit feels less heavy during drilling, especially when the user applies proper speed and pressure. This helps reduce overheating and lowers the chance of premature edge damage.

Real Application Scenarios

This 15-Piece Twist Drill Bit Set is suitable for common drilling work in metal, plastic, wood, and general maintenance materials. It is especially useful for customers who need a compact set for daily workshop use rather than a large industrial drill index.

Typical applications include:

Workshop repair, such as drilling small holes in metal plates, brackets, frames, and fixtures.
Automotive maintenance, such as light drilling tasks on panels, accessories, mounting parts, and service components.
Construction and installation work, such as preparing holes for screws, fasteners, wall fixtures, and hardware fittings.
Furniture and household assembly, such as drilling in wood, plastic, aluminum profiles, and light metal parts.
Industrial maintenance, such as equipment repair, on-site adjustment, and general hole-making tasks.

For best performance, users should select the correct speed, avoid excessive pressure, and use cooling or lubrication when drilling harder metal materials.

Compatibility and Market Fit

The round shank design makes this set compatible with standard keyed and keyless drill chucks. This is important for distributors because the product does not depend on a special tool system. It can be sold together with corded drills, cordless drills, bench drills, tool kits, and general workshop accessories.

The metric size range is also suitable for international markets where millimeter-based specifications are commonly used. This makes the set practical for importers serving Latin America, Europe, the Middle East, Africa, and Asia.

For WACTEC product lines, this 15-piece twist drill bit set can also be bundled with cordless drills, impact drills, tool sets, and promotional accessory kits. This increases average order value and helps buyers create a more complete tool category.

Quality Control for B2B Orders

For repeat wholesale orders, quality consistency is more important than single-piece performance. WACTEC can control the key points that affect distributor confidence, including material consistency, size accuracy, coating appearance, shank finish, cutting edge condition, and packaging reliability.

Before shipment, batch inspection can be arranged to check size range, appearance, quantity, coating condition, and packaging structure. For OEM orders, carton marks, label information, barcode requirements, and packaging layout can also be confirmed before mass production.

This helps reduce common after-sales problems such as missing sizes, poor presentation, mixed batches, damaged packaging, or inconsistent product appearance.

OEM and Private Label Value

This product is suitable for OEM and private label programs because the configuration is simple, practical, and easy to explain to the market. Buyers can choose packaging formats based on their sales channels, including blister card, plastic case, color sleeve, paper card, or customized retail packaging.

For brand owners, the 15-piece structure is a good entry-level or mid-range accessory item. It can be sold as a standalone product or combined with drills, screwdriver bits, hand tools, and tool kits. For importers, it is also suitable for container mixed loading with other WACTEC accessories, helping reduce purchasing complexity.

Supply Chain and Bulk Purchase Value

WACTEC supports bulk supply for importers, wholesalers, and distributors who require stable product availability. The product can be produced for regular stock programs, seasonal promotion, hardware chain supply, and OEM accessory lines.

For long-term cooperation, buyers can discuss MOQ, packaging options, carton quantity, delivery schedule, and mixed shipment planning. This is especially useful for distributors who do not want to purchase only one accessory item but prefer to combine drill bits with power tools, saw blades, grinding discs, driver bits, and other tool accessories.

Risk Control for Buyers

This product helps reduce purchasing risk in several ways.

First, the size configuration focuses on commonly used diameters, making the set easier to sell and less likely to become slow-moving stock.

Second, the titanium coated 4241 HSS structure offers a practical balance between cost and performance, making it suitable for competitive markets.

Third, the round shank design improves compatibility with standard drills, reducing customer confusion.

Fourth, OEM packaging support allows buyers to match the product with local market positioning, whether for hardware stores, industrial suppliers, or promotional tool programs.

For B2B buyers, the value of this 15-Piece Twist Drill Bit Set is not only the product itself, but the ability to build a stable, repeatable, and easy-to-sell accessory category.

FAQ

Can this 15-piece twist drill bit set be supplied with OEM packaging?

Yes. WACTEC can support OEM packaging, including blister card, plastic case, color label, private brand design, carton marks, and barcode requirements.

Why are smaller sizes included in higher quantity?

Small sizes such as 1.5 mm, 2.0 mm, and 2.5 mm are consumed more frequently for pilot holes, positioning holes, and precision drilling. Extra quantity makes the set more practical for daily users.

Is this 15- piece twist drill bit set suitable for metal drilling?

Yes. It is suitable for general metal drilling, light fabrication, workshop repair, maintenance, plastic, wood, and installation work. For harder metals, proper speed, pressure, and cooling are recommended.

What type of drill chuck is compatible with this set?

The round shank design is compatible with standard keyed and keyless drill chucks used on common corded drills, cordless drills, and bench drills.

What is the MOQ for wholesale orders?

MOQ depends on packaging style, order quantity, and customization requirements. Standard packaging usually allows more flexible order planning, while OEM packaging may require a higher MOQ.

Can this 15- piece twist drill bit set be shipped together with other WACTEC accessories?

Yes. It can be combined with screwdriver bits, saw blades, grinding discs, drill accessories, hand tools, and power tools for mixed container shipment.