DIN 338 / DIN 1897 Stub Standard
SUBORUI DIN338 Fully Ground M35 Co5% Metal Cobalt Hss Twist Drill Bit for Metal Stainless Steel Drilling
HSS-Co 5% (M35) • 135° Split Point • High Heat & Deflection Resistance
19+
Years Tooling Manufacture
90M
Annual Bit Capacity
12,000m²
Production Infrastructure
DIN/ISO
Intertek Audited Precision
Recommended High-Performance Tooling for Regional Procurement
Tested in multi-spindle automation, sheet metal stamping, and specialized fastening installations requiring short flute rigidity and tight concentricity tolerance.
Amber Bronze Finish
BORUI Manufacturer D338 M35 Hss 5% Cobalt Steel 118 Degree Imperial Hss Co Bohrer Broca Drill Bit Amber High Speed Steel
Alloy Core Rigidity • Premium Salt-Bath Temper • Imperial & Metric Sizing
Fast-Change Hex Shank
SUBORUI 6mm Titanium Cross Carbide Tip Double R Hex Shank Ceramic Glass Tile Drill Bits for Ceramic Glass Marble Stone
Cross-Head Micro-Grain YG6X • 1/4" Hex Quick Lock • Anti-Slippage Design
Abrasive Prep Segment
SUBORUI Double Row Segments Diamond Grinding Disc Cup Wheel for Concrete Masonry Stone
Balanced Dynamic Core • Heat-Dissipating Ports • Heavy Masonry Levelling
M42 Cobalt High-Toughness
SUBORUI OEM ODM Wholesale Price Premium Hex Shank Drill Bit Hss CO8% M42 Bi-Metal Hole Saw Set Kit for Metal Wood
8% Cobalt Matrix • Deep Flute Extraction • Heavy Alloy & Tube Penetration
Self-Centering Stub Dynamics
SUBORUI DIN338 135 Degree Split Point M35 Cobalt HSS Drills CNC Spiral Twist Drill Bit for Stainless Steel 304
Zero Pre-Punch Drift • Optimized Chisel Web • CNC Machining Cell Approved
Engineered Clean Edge
Brad Point Drill Bit for Woodworking Clear Edge Carbon Steel Wood 4mm 6mm Straight Shank Twist Wood Drill Bit
Precision Spur Edge • Clean Exit Profiles • Specialized Cabinet Construction
Anchor Preparation
SUBORUI 6mm-12mm Hex Shank Multifunction Cross Carbide Tip Glass Masonry Tile Drill Bit for Masonry Wall Brick Drilling
Multi-Substrate Versatility • Impact Rated Hex • High Break-Torque Durability
Engineering Excellence for Schaan's Industrial and Fastening Landscape
The industrial enclave of Schaan and the broader Rhine Valley manufacturing basin represent one of the densest epicenters of precision engineering, construction technology, and mechanical fastening development across Central Europe. While standard jobber drill bits serve general workshops, modern automated machining operations and mechanical anchor installation processes in Liechtenstein demand strict adherence to DIN 1897 stub drill bit standards. Featuring shorter overall flute lengths and optimized core webs, stub bits eliminate mechanical deflection under extreme axial load, delivering concentricity tolerances within ±0.002 mm.
As an Intertek-verified production facility based in Danyang—China's primary cutting-tool manufacturing cluster—Jiangsu WRD Tools Co., Ltd. (WRD Tools) supplies international procurement specialists, wholesale distributors, and private-label cutting-tool brands in Schaan with high-volume, reliable metallurgical cutting tools. With an infrastructure of 12,000 square meters, fully automated CNC flute grinding equipment, and a manufacturing output topping 90 million drill bits annually, we bridge the gap between large-scale cost efficiency and the micro-tolerance demands of the European tooling sector.
Technical Metallurgy Matrix: Material Selection for Schaan's Machining Environments
Procuring cutting tools for the Schaan industrial market involves matching alloy composition, split point geometry, and surface vapor coatings to high-tensile base materials. The table below delineates WRD Tools' core high-speed steel grades engineered for automated turning, robotic drill stations, and handheld fastening assembly.
| Steel Grade | Composition Matrix | Hardness Range | Red Hardness (°C) | Recommended Applications in Liechtenstein Industry |
|---|---|---|---|---|
| HSS 4241 | W1.5Mo2Cr4V | 61–63 HRC | Up to 520°C | Aluminum extrusion profiling, composite structural panels, low-stress DIY hardware supply. |
| HSS M2 (6542) | W6Mo5Cr4V2 | 63–65 HRC | Up to 600°C | Medium-alloy structural steel, standard tapping prep, multi-spindle automatic screw machining. |
| HSS-Co M35 | W6Mo5Cr4V2 + 5% Co | 65–67 HRC | Up to 640°C | Austenitic 304/316 stainless steels, heat-treated anchor housings, structural bracket punch-outs. |
| HSS-Co M42 | W2Mo9Cr4VCo8 | 67–69 HRC | Up to 670°C | High-temperature aerospace alloys, hardened tool steel dies, heavy vibration production tooling. |
WRD Tools enforces rigorous thermal vacuum salt-bath hardening techniques. This preserves an unbroken martensitic grain boundary throughout the stub bit blank, preventing torsional fractures when drilling high-density blind holes under aggressive feed rates.
Localized Application Scenarios Across Liechtenstein and the Rhine Valley
Our DIN 1897 and DIN 338 stub tooling programs are customized specifically around three core precision applications prevalent in Schaan's industrial ecosystem:
Automated Screw Machining
Multi-spindle Swiss-style lathes and automated machining centers operating in Liechtenstein utilize DIN 1897 extra-short drills to produce pilot holes in tight spaces without guide bushings, preventing drill walk and reducing cycle time.
Anchoring & Fastener Pre-Drill
Liechtenstein's renowned mechanical fixing sector demands clean, round pilot holes through pre-galvanized sheet assemblies and heavy steel brackets. The thick web design of our stub bits resists break-through torque spikes.
Sheet Metal & Busbar Assembly
Thin metal components flex under standard drill bit pressures. Our 135° self-centering split-point geometry shears metal cleanly, minimizing deburring time and eliminating distortion in control cabinet manufacturing.
Emerging Procurement Trends in the Schaan Industrial Market
European supply chain dynamics are pivoting toward higher supply chain traceability, environmental compliance, and cost optimization. In Schaan, technical buyers are shifting away from fragmented trading intermediaries toward direct-from-source manufacturers who hold comprehensive certifications.
Total Cost of Ownership Focus
Rather than evaluating unit price alone, manufacturing engineers in the Rhine Valley calculate hole-per-bit metrics. Fully ground M35 cobalt bits reduce machine downtime and tool changing labor, lowering overall cost per bore.
Automated Laser Branding & Packaging
Distributors serving Liechtenstein require seamless private-label integration. WRD Tools provides shank laser marking (custom logos, DIN specs, batch numbers) and shelf-ready European-standard modular packaging.
Strict RoHS / REACH Material Integrity
To cross Swiss-Liechtenstein customs smoothly, tools must comply with EU chemicals legislation and material declarations. WRD Tools guarantees raw materials verified against toxic impurities and heavy metal restrictions.
Enterprise Authority & Manufacturing Credibility: Why Procure from WRD Tools
Founded in March 2007 with a registered capital of RMB 10 million, Jiangsu WRD Tools Co., Ltd. is not an export broker or intermediary. We operate an advanced, self-contained 12,000 m² tooling facility in Danbei Town, Danyang—directly integrated into the world's most competitive tooling supply chain.
Intertek Onsite Audit Verification
Our workshop conditions, internal quality inspection protocols, CNC flute grinders, and operational standards are independently certified on-site by Intertek Group.
Recognized High-Tech Enterprise
Recognized as an official High-Tech Enterprise of Jiangsu Province in 2019, WRD Tools operates proprietary metallurgical R&D labs for optimal heat-treatment curves.
Ranked #4 Most Popular Factory
Holding a consistent 4.7/5 buyer rating on global trade platforms, we have supplied drill bit accessories to industry leaders such as BOSCH, Milwaukee, DeWalt, Makita, and Heller.
Integrated End-to-End Control
From initial raw steel bar cutting and vacuum hardening to precision flute grinding and final inspection, every step is monitored in-house under strict DIN tolerances.
90 Million Drill Bits Annual Output
With an annual output spanning 25 million twist drills, 15 million hex shank drills, and 50 million wood bits, we fulfill wholesale container volumes on predictable schedules.
Custom OEM & Tailored Geometries
Full customization covering non-standard web thicknesses, parabolic flute geometries, split point angles (118° or 135°), and advanced TiN, TiAlN, or amber finishes.
Frequently Asked Questions: Sourcing Stub Bits for the Schaan Market
Technical and commercial answers addressing common procurement considerations for buyers and distributors operating in Liechtenstein.
What specific mechanical advantages do stub drill bits offer over standard DIN 338 jobber bits?
DIN 1897 stub drill bits have an overall length and flute length approximately 30% to 50% shorter than standard DIN 338 jobber bits. This shortened flute drastically reduces torsional bending and deflection when cutting tools encounter hard metal surfaces. In automated CNC centers and handheld cordless drills used across Schaan, stub bits eliminate bit vibration, prevent tip breakage, and produce true, round holes without requiring a preliminary center punch.
How does WRD Tools manage customs documentation, tariff compliance, and delivery to Liechtenstein?
Because Liechtenstein forms a unified customs union with Switzerland and uses the Swiss Franc (CHF), all commercial invoices, packing lists, EUR.1 / Certificates of Origin, and export customs declarations are aligned with Swiss Federal Customs Administration regulations. We provide flexible FOB Shanghai, CIF European hub, or DDP direct-to-warehouse terms, ensuring complete transit compliance without unexpected border delays.
What is the minimum order quantity (MOQ) for custom-branded OEM stub drill bit production?
For individual standard metric sizes, our minimum order quantity starts between 100 and 500 pieces per diameter. For fully customized private-label sets packaged in branded metal cassettes, plastic cases, or blister cards, the typical production run begins at 1,200 sets. We support trial sampling orders with verified dimensional inspection sheets prior to committing to full-scale container shipments.
How can our quality team audit your manufacturing processes prior to placing bulk POs?
We provide full transparency through our third-party Intertek Onsite Audit Report, including verified photographic records of our production equipment, testing machinery, and employee safety systems. Buyers are also invited to take a 360° virtual factory audit or schedule an on-site visit to our Danyang facility, where international procurement teams from Germany, Switzerland, and the USA regularly audit our operations.
When should our engineering team specify M35 Cobalt over M2 standard HSS for local projects?
Specify standard HSS M2 (6542) for regular structural steel, low-alloy steels, copper, brass, and plastics up to 800 N/mm² tensile strength. For stainless steels (V2A / 304, V4A / 316), titanium alloys, abrasive cast irons, or high-tensile structural plates above 850 N/mm², M35 Cobalt (5% Co) is strongly recommended. The cobalt matrix prevents the cutting edge from losing its temper at temperatures exceeding 600°C.
Request Technical Specs, Factory Direct Quotes & Free Tool Samples
Whether you require standard DIN 1897 stub drill bits or bespoke OEM production for regional distribution in Schaan and Central Europe, our export engineering department responds within 24 hours.
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