What is the warranty or quality guarantee?

We are an ISO9001:2015 certified manufacturer with 6 QA/QC inspectors and random visual/function inspections.

What is the maximum diameter available?

The drill bits are available in diameters ranging from 3mm up to 13mm.

Is the drill bit suitable for tempered glass?

No, this drill bit is designed specifically for non-tempered glass, tile, ceramic, porcelain, and stone slabs.

Tct Spear Sdd Glass&Tile Drill Bit Cylindrical Shank for Glass Tile Ceramic Porcelain Drilling

Name: Tct Spear Sdd Glass&Tile Drill Bit Cylindrical Shank for Glass Tile Ceramic Porcelain Drilling
Brand: ZHENJIANG HTT TOOL CO., LTD.
SKU: 1985426105

Jiangsu, ChinaZHENJIANG HTT TOOL CO., LTD.

US$0.356-4.077

1,000 Pieces

Sample price:US$0.77/piece.Request sample

Product profile

Customization

Available

Customized

Standard

DIN

Model NO.

6118

Length

60mm to 120mm

Type

Twist Drill Bit

Material

Tungsten Carbide

Usage

Masonry Drilling

Carbide Tip Type

Virgin Yg6ax

Steel Shaft Type

40cr

Shank Type

Cylindrical

Welding Type

AVS. (Automatic Vacuum Soldering)

Surface Treatment

Sandblasted

Transport Package

Paper Hanger, PVC Bag, Skin Pack, Blister Pack

Specification

3mm to 13mm diameter

Trademark

OEM, HTT

Origin

China

HS Code

8207509000

Production Capacity

2400000/Year

Key features

Vacuum Soldering Technology: Uses Italian alloy copper for vacuum soldering to ensure maximum welding strength and durability.

Durable Carbide Formulation: Special improved carbide with extra thickness for long-lasting sharpness and performance.

Spiral Flute Design: Allows drilling through tile, ceramic, and stone in one pass without changing drill bits.

Wide Size Range: Available in diameters from 3mm to 13mm with lengths ranging from 60mm to 120mm.

Customization Options: Offers full customization including designs, samples, and specific carbide/steel types.

Multi-Material Application: Ideal for drilling non-tempered glass, tile, ceramic, porcelain, and stone slabs.

ISO9001 Certified: Manufacturer holds ISO9001:2015 certification ensuring quality management standards.

OEM Service Available: Supports OEM and ODM services with own brand and R&D capabilities.

Company profile

High Repeat Buyers ChoiceYears of Export ExperiencePatents AwardedManagement Certification

ZHENJIANG HTT TOOL CO., LTD.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.51h

AI-Powered supplier vetting

SummaryHTT is identified as a manufacturing factory with self-operated import/export rights and substantial export activity, with exports representing 90% of total sales. It holds an ISO9001:2015 management-system certificate and reports documented finished-product inspection instructions and supplier-management procedures. The supplier supports customization from designs and samples, full customization, and ODM services, and reports new-product development, one R&D engineer, AutoCAD capability, and two patents. However, it has no stated inventory, overseas warehouse, overseas agent or branch, showroom, or offline trade-show experience. Corrective-action and complaint procedures exist but lack written records, and R&D audit documentation is unavailable. No financial assessment can be made from the provided information.

Supplier typeHTT is explicitly identified as a factory, with manufacturing equipment listed and the associated-company industry identified as manufacturing. It also reports self-operated import/export rights, indicating direct export capability.

CertificationsThe supplier reports an ISO9001:2015 certificate in both its supplier-management and management-system information. This is explicit evidence of holding a recognized quality-management certification.

R&D capabilityHTT reports new products within the past year, ODM service, AutoCAD capability, two R&D patents, and one R&D engineer. However, it has no available SDK and no R&D audit documentation for design inputs, outputs, reviews, verification, and validation; the evidence supports some innovation activity but not a comprehensive R&D system.

Production capacityThe supplier lists multiple machining facilities, documented and consistently followed finished-product inspection instructions, quality assurance, 20 qualified service-capability suppliers, and a written supplier-assessment procedure with records. Against this, it reports no valid manufacturing-capacity contract with affiliated subcontractors and no inventory capability.

Customization capabilityHTT explicitly offers customization from designs, customization from samples, full customization, and ODM services. Its R&D engineer provides production technology support and prepares product specifications for client approval, directly supporting customized development.