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Procurement Of Drill Bit ( Stone ) Size 27 Mm, BHATGAON-Chhattisgarh

South Eastern Coalfields Limited-SECL has published Procurement Of Drill Bit ( Stone ) Size 27 Mm. Submission Date for this Tender is 10-07-2020. Drilling Bits Tenders in BHATGAON Chhattisgarh. Bidders can get complete Tender details and download the document.




Tender Notice

24627544
Procurement Of Drill Bit ( Stone ) Size 27 Mm
Open Tender
Indian
Chhattisgarh
BHATGAON
10-07-2020

Tender Details

Procurement Of Drill Bit ( Stone ) Size 27 Mm

Key Value

Document Fees
Refer document
EMD
INR 4050.0 /-
Tender Value
INR 2.02 Lakhs /-

BOQ Items

Name of Tender/Work: Procurement of drill Bit (Stone) size 27 mm dia.
Sl. No. Item Description Item Code / Make Quantity Units
1 0 ITEM DESCRIPTION
2 1 Drill Bit (Stone):27 mm nominal dia, with centre hole of 6mm dia.\nTechnical Parameters:\nA. The rotary Drill Bit shall be required for use in Under Ground Coal Mines for drilling holes for resin capsule roof bolting.\nB. Type of Bit: “A” (One piece bit, Biwing)\nC. Nominal diameter: 27 mm.\nD. Suitable for 22 mm Hexagonal Drill Rod with hole\nE. Bit body should have a hole at Centre & shall allow an unrestricted flow of cuttings away from the Bit\nF. Attachment to the rod shall be streamlined.\nG. Tip shall be firmly brazed to the body of the Bit.\nH. Brazing alloy as per IS:2927-1975\nI. Central hole: 6 mm. Dia.(throughout)\nJ. Threaded length : 18 mm, M16 suitable to fix in drill rods\nK. Shank & Body: High tensile steel 0.55% Carbon ( Minimum)\nL. Hardness : 210 HV (Min.) for bit body\nM. Tip: Tungsten Carbide H grade.\nN. Conforming to IS: 4005-1967\nO. Hardness: 1450 to 1550 HV\nP. Composition: 7% to 8% Cobalt\nQ. Predominating grain size: 1 to 3 um\nR. Free from porosity, Eta-phase, Pitting\nS. Marking on each Bit:\nT. Manufacturer’s name / trademark\nU. Letter ‘H’ for Hardness type\nV. Nominal Size: 27 mm\nW. Weight of drill bit…………. 100 gms.\n item1 2200 Nos
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