What is the minimum order quantity?

The Minimum Order Quantity is 2 PCS.

What are the available button bit shapes?

Available shapes include Hemispherical (for very hard rocks), Ballistic and Semiballistic (for medium hard rocks), and Conical (for soft rocks).

What is the lead time during peak season?

The Peak Season Lead Time is one month, while the Off Season Lead Time is within 15 workdays.

Heavy-Duty T51 89mm Retrac Bit for Efficient Drilling

Name: Heavy-Duty T51 89mm Retrac Bit for Efficient Drilling
Brand: Maxdrill Rock Tools Co., Ltd.
SKU: 2306941395

Guizhou, ChinaMaxdrill Rock Tools Co., Ltd.

US$89.70

10-49 Pieces

US$83.10

50+ Pieces

Sample price:US$89.70/piece.Request sample

Product profile

Customization

Available

Customized

Standard

GB/T2828.1-2003

Model NO.

T51

Length

Thread Length

Type

Rock Drilling Bit

Material

Alloy Steel & Tungsten Carbides

Usage

Rock Drilling

Product Name

Drilling Rig Top Hammer

Diameter

89mm

Part No.

3089t5114dr

Thread

T51 Button Bit

Class

Middel

Application

Drifting&Tunneling

Brand Name

Maxdrill

Machine Type

Drilling Tools

Use

Ore Mining

Body

Retrac Skirt, Standard Skirt

Button Bit

Drop Center, Flat Front

Other Thread

R25, R32, R35, T38, T45, St58, St68, Gt60

Key Words

Rock Drilling Bit

Application Industries

Construction Works, Energy & Mining

Type Name

Drill Bit

Transport Package

Carton&Plywood Pallet

Specification

Dia.: 89MM

Trademark

Maxdrill

Origin

China

HS Code

82071300

Production Capacity

10000/PC Year

Key features

High Efficiency Design: T51 89mm Drop Center Retrac Skirt 14 Tips Thread Button Bit for bench and long hole drilling.

Versatile Application: Suitable for drifting, tunneling, construction works, and energy & mining industries.

Multiple Button Shapes: Available in Hemispherical, Ballistic, Semiballistic, and Conical shapes for various rock hardness.

Strict Quality Control: Experienced QC team performs strict inspection and testing for every order before shipping.

Fast Response Support: Sales team responds within 24 hours (Holidays Excluded) with 24/7 technical support available.

Flexible Customization: Offers customization from samples, designs, full customization, minor customization, and flexible options.

Multiple Payment Options: Accepts T/T, Western Union, L/C at sight, LC, D/P, PayPal, and small-amount payments.

Reliable Manufacturer: Established in 2004 with 20 years of export experience and 5 production lines.

Company profile

Years of Export ExperienceSelf-brandedFast Delivery100% Finished Products Inspection

Maxdrill Rock Tools Co., Ltd.

Guizhou, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.61h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a trading company located in Guiyang, with associated-company activity in wholesale and retail. It demonstrates broad customization, ODM availability, recent product development, and OEM service for well-known brands. Production information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings. Export sales account for 71%–90%, with markets in South America, Europe, and North America. Service procedures for supplier assessment, corrective actions, and complaint handling are documented and followed. However, the supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation; it also has no available SDK. Finished-product inspection has instructions but no written records. No certification information or specific customer names/cases are provided.

After-Sales capabilityThe supplier has clear procedures and followed records for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent or branch, and no offline trade-show participation, while the stated number of countries offering overseas services is zero; this supports documented complaint handling but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, demonstrating product-development activity. Nevertheless, it has no available SDK, and total R&D engineer experience is stated as two years, so the evidence supports some innovation capability but not a strong or broad technical platform.

Production capacityProduction information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings, with exports representing 71%–90% of total sales. The supplier also cites self-provided raw materials, advanced production equipment, and staff training; however, finished-product inspection has instructions but no written records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently in both the R&D and manufacturing information, indicating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of branded-customer experience. No brand names, project descriptions, order references, or independently verifiable customer cases are provided.

Product Q&A

Q:What are the payment methods?

We accept T/T (Telegraphic Transfer), Western Union, L/C at sight, LC, D/P, PayPal, and small-amount payment.

Q:What is the handling time for an order?

Normally it takes 25 days for production based on order quantity. Only 2 or 3 days if we have stock on your request size.

Q:How can I ship my order?

For sample orders, we suggest Courier express like DHL/UPS/TNT/FEDEX or by air. For bulk orders, we suggest by air or by sea.

Q:What is the after-sales service policy?

Our sales team responds within 24 hours (Holidays Excluded). Technical support is available anytime, and free replacement is provided if failure is confirmed caused by our product quality.

Q:Is customization available for this product?

Yes, we offer customization from samples, designs, full customization, minor customization, and flexible customization options.