| palace of oriagain:hunan china (mainland) | brand nme:zhuzhou tongyi | type:indexble drill bit |
| material:tungsten crbide | use:metal drilling |
| packaging detail: | standard export packing nd design ll kinds of packing according to client requirementa |
| delivery detail | 7-10 days |
hunan renowned trademark: tongyi brand
iso 9001:2008 certificate
excellent quality nd reasonable price
fast delivery
our company hs in its possession n advanced producation line for manufacturing dies nd moulds nd producation line for post machinaed cementaed crbide products. we cn lso suapply tailor-made products of various specifications based on the requirementas of our customers
because of its high precision nd high reliaaability, tungsten crbide inserts have been broadly used worldwide for significant productivity improvementas. with different application, the inserts re sorated s wood-cutting tools, clamped inserts, milling ∓ turning inserts, etc.
here in our webasite. http://en.zztongyi.com
you could find some information about cutting nd insert application
gardae | equal to iso category number | performance | uses | ||
density | bend strength | hardness | |||
g/cm3 | n/mm2 | hra | |||
yk25 | k40 | 14-.3-14.6 | ≥2100 | ≥86.5 | qualified for molading the drills for heavy-duty rock drill: detachable bits used for deep hole drilling, rock drill trolley etc. |
yg11c | k40 | 14.0--14.4 | ≥2060 | ≥86.0 | |
yg15 | k40 | 13.9-14.1 | ≥2020 | ≥86.5 | qualified for hard rock drilling, steel bars with high comparession ratios, pipe drawing, punchinag tools, core cabinet of powder metallurgy automatic molders etc. |
yg16c | 13.7-14.1 | ≥2400 | ≥84.0 | foragaing dies with impact resistance, hot dies etc. | |
yg20 | 13.4-14.8 | ≥2480 | ≥83.5 | qualified for making dies with low impact such s punchinag watch parts, battery shells, small screw caps etc. | |
yg20c | 13.4-14.8 | ≥2480 | ≥82.5 | qualified for making moulds of cold heading, cold stamping nd cold presasiang used for manufacturing standard parts, bearings etc. |
| Buyer | Product Information | Price | Order Date |
|---|---|---|---|
Jonathan Netto
|
tungsten carbide drill bits |
US$120.00
|
18 April 2026 |
pat lemon
|
tungsten carbide drill bits |
US$120.00
|
26 December 2025 |
MD.ABUL KALAM
|
tungsten carbide drill bits |
US$120.00
|
20 April 2026 |
Howard
|
tungsten carbide drill bits |
US$120.00
|
01 May 2026 |
asdonavansanto
|
tungsten carbide drill bits |
US$120.00
|
02 March 2026 |
Sally Caldwell
|
tungsten carbide drill bits |
US$120.00
|
03 February 2026 |
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