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Central Ground Water Board Button Bits for DTH Hammer Tender Raipur Chhattisgarh Button Bit Performance Parameters 2026

Bid Publish Date

11-Feb-2026, 5:36 pm

Bid End Date

18-Feb-2026, 6:00 pm

Location

RAIPUR , CHHATTISGARH

Progress

Issue11-Feb-2026, 5:36 pm
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

5

Bid Type

Two Packet Bid

Key Highlights

  • • Service Centre requirement: Establish or prove functional service center in consignee state within 30 days
  • • Quantity variation: Purchase and contract currency may adjust up to 25% at contracted rates
  • • Field performance documentation: Availability of performance certificate for the button bits offered
  • • Delivery timing framework: Extended delivery periods linked to original delivery order dates
  • • Warranty model: On-site vs carry-in warranty conditions to be clarified by bidder

Categories 2

ROCK DRILLS BORING TOOL

Tender Overview

The Central Ground Water Board (Department Of Water Resources River Development And Ganga Rejuvenation) in Raipur, Chhattisgarh invites bids for Button Bits designed for DTH hammers. The procurement focuses on performance parameters, including button size, compatible hammer type, and depth/pressure attributes. With no BOQ items published, the contract contemplates a potential quantity variation of up to 25% and requires bidders to establish or demonstrate functional service centers in the consignee’s state, within 30 days of award. The tender emphasizes field performance documentation and delivery logistics aligned to CGWB’s field deployment.

Technical Specifications & Requirements

  • Button Bit Size (mm and in inch)
  • Compatible Hammer type and Compatible size of Hammer (inches)
  • Minimum Guaranteed Drilling Depth per Bit (Meters)
  • Max Working Pressure withstood by the Button Bits
  • Minimum Depth of Hardening (mm)
  • Hardness maintained at Shank of the Button Bit (HRC)
  • Hardness maintained at Core of the Button Bit (HRC)
  • Number of Tungsten Carbide buttons fixed in each Button Bit (nos)
  • Total feed weight needed on Button Bit according to relevant bit size in lbs
  • Maximum Operating Rotational Speed in rpm
  • Facing of Button Bit and No of Splines
  • Button Bit Shank Diameter/Length and Body Diameter/Length
  • Head Diameter/Length
  • Availability of Performance certificate from user regarding the field performance

Terms & Eligibility

  • Quantity variation up to 25% of bid quantity at purchase and during contract currency with contracted rates
  • Delivery period logic based on last date of original delivery order and extended periods; minimum 30 days for additional time
  • Service Centre requirement: Functional service center in the state of each consignee location for carry-in warranty; establishment within 30 days of award if not existing
  • Payment/contractual conditions: Payment to be released upon submission of evidence of functional service center; on-site warranty condition applies where specified
  • Submission entails meeting the above terms, ensuring field performance documentation, and compliance with regional service capabilities to support CGWB deployments

Key Specifications

  • Button Bit Size (mm and inch) with compatible hammer type

  • Compatible size of Hammer (inches) and maximum operating rpm

  • Min guaranteed drilling depth (meters) and max working pressure

  • Depth of hardening (mm) with shank/core hardness (HRC)

  • Number of tungsten carbide buttons per bit and total feed weight (lbs)

  • Shank/Body/Head dimensions (diameter and length) and number of splines

  • Availability of field performance certificate

Terms & Conditions

  • 25% quantity variation reserve during contract

  • 30-day deadline to establish service center in consignee state

  • Evidence of functional service center required for payment release

Important Clauses

Delivery Schedule

Delivery period computed from last date of original delivery order; additional time calculated as (increased quantity ÷ original quantity) × original period, minimum 30 days

Service & Support

Bidder/OEM must have a functional service center in each consignee state; if not, establish within 30 days of award; payment contingent on documentary evidence

Warranty & Penalties

On-site or carry-in warranty terms to be clarified; penalties/LD may apply for delays per contract terms

Bidder Eligibility

  • Proven experience supplying DTH button bits or similar rock drill components

  • Demonstrated capability to establish or operate service centers in the consignee state

  • Financial viability evidenced by recent financial statements

Documents 3

GeM-Bidding-8969974.pdf

Main Document

CATALOG-Specification-1

CATALOG Specification

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

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Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
Performance Parameters Button Bit Size (mm and in inch ) "165(6 1/2)"
Performance Parameters Compatible Hammer type High Pressure Hammer operates above 1.26 Mpa
Performance Parameters Compatible size of Hammer (inches) 6.0
Performance Parameters Minimum Guaranteed Drilling Depth per Bit (Meters) 400.0
Performance Parameters Max Working Pressure withstood by the Button Bits 350.0
Performance Parameters Minimum Depth of Hardening (mm) 1.2
Performance Parameters Hardness maintained at Shank of the Button Bit (HRC) 55
Performance Parameters Hardness maintained at Core of the Button Bit (HRC) 38
Performance Parameters Number of Tungsten Carbide buttons fixed in each Button Bit (nos) 20
Performance Parameters Total feed weight needed on Button Bit according to relevant bit size in lbs 2400
Performance Parameters Maximum Operating Rotational Speed in rpm 100
Performance Parameters Facing of Button Bit Flat
Performance Parameters No of Splines 12
Dimensional & Material Parameters Button Bit Shank Diameter 64.5
Dimensional & Material Parameters Button Bit Shank Length 231.0
Dimensional & Material Parameters Button Bit Body Diameter 165.0
Dimensional & Material Parameters Button Bit Body Length 90.0
Dimensional & Material Parameters Button Bit Head Diameter 20.0
Dimensional & Material Parameters Button Bit Head Length 20.0
Reports Availability of Performance certificate from user regarding the field performance of type of button bits offered Yes

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Required Documents

1

GST registration certificate

2

PAN card

3

Experience certificates for similar DTH button bit supply

4

Financial statements showing financial capability

5

EMD/Security deposit documentation (as specified by the tender terms)

6

Technical bid documents and OEM authorizations (where applicable)

7

Proof of functional Service Centre capability or plan to establish within 30 days of award

Frequently Asked Questions

Key insights about CHHATTISGARH tender market

How to bid for CGWB button bits tender in Raipur 2026?

Bidders must submit GST, PAN, experience certificates, financial statements, EMD documents, technical bid, and OEM authorizations. Ensure compliance with service center requirements in the consignee state and provide field performance certificates for the button bits offered.

What documents are required for button bits tender in Raipur?

Required documents include GST registration, PAN, experience certificates for similar supply, financial statements, EMD submission, technical bid, OEM authorization if applicable, and evidence of a functional service center or plan to establish within 30 days of award.

What are the key technical specifications for DTH button bits?

Key specs include button bit size, compatible hammer type and size (inches), minimum drilling depth, maximum working pressure, depth of hardening, shank/core hardness (HRC), number of carbide buttons, total feed weight (lbs), maximum rpm, facing and spline count, and joint dimensions (shank/body/head).

When is delivery expected for button bits under this tender?

Delivery terms depend on the last date of the original delivery order; additional time is calculated as (increased quantity ÷ original quantity) × original period, with a minimum of 30 days for extended delivery.

What is required for service center availability in this bid?

Bidder must have a functional service center in the state of each consignee location; if not available, establish one within 30 days of award; payment release requires documentary evidence of the center.

What is the scope of quantity variation allowed?

The purchaser reserves the right to increase or decrease quantity up to 25 percent of bid quantity at the time of contract placement and during contract currency at contracted rates.

What field performance documentation is required?

A performance certificate from the user for the offered button bit type is required to validate field performance and compliance with the stated specifications.

Are there penalties for delivery delays in this tender?

Delivery penalties may apply as per the option clause and extended delivery terms; ensure adherence to original and extended delivery periods to avoid liquidated damages or penalties.