$91.00
1 Year for machinery warrantyProtection: Trade Assurance Protects your orders
On-time Dispatch GuaranteeRefund Policy.
Supply Ability：50000 Piece/Pieces per Month
| Product Name | H22 R39 Hexagon and round rock drill hollow steel factory (hexagon drill bit, drill bit for metal, wear resistant hollow steel drilling, resistant hollow steel drilling rod, hexagonal hollow drill steel wear, Round hollow steel) |
|---|---|
| Material | 55SiMnMo,23CrNi3Mo |
| Origion | Henan,china |
| Standard | Atlas standard |
| hexagon hollow steel diamter | H19/H22/H25/H32/H35/H38 MM |
| Round hollow steel diameter | R32/R39/R46/R52 mm |
| Application | rock drill rod (hexagon hollow rock drill steel, hollow rock drill steel rod, drill steel rod for making) |
| Used | rock drills ( Round hollow rock drill steel, Round hollow steel) |
Packaging Details：package with bundle
Port ：qingdao port/shanghai port/tianjin port/guangzhou port
Lead Time: 3days with stock
HEXAGONAL AND ROUND HOLLOW-STEEL
| Denomination | Nominal size and tolerance (mm) | Ho dia incl.ovality (mm) | Eccentricity (mm) | R=(mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| H19 (hollow steel) | 19/ (+0.3, -0.2) | 6.0/ (+0.7, -0.8) | 0.5 | 2.5 | 2.21 |
| H22 (hollow steel) | 22.2/(+0.3, -0.2) | 6.7/(+0.7, -0.8) | 0.6 | 3.0 | 3.05 |
| H25 (hollow steel) | 25.3/(+0.4, -0.2) | 7.6/(+0.8, -0.7 ) | 0.7 | 3.0 | 3.97 |
| H28 (hollow steel) | 28.6/(+0.5, -0.3) | 8.8/(+0.8, -0.7) | 0.8 | 3.5 | 5.05 |
| H32 (hollow steel) | 32.1/(+0.6, -0.2) | 9.5/(+0.8, -0.7) | 0.9 | 4.0 | 6.36 |
| H35 (hollow steel) | 35.3/(+0.6, -0.3) | 9.5/(+0.8, -0.6) | 1.0 | 4.0 | 7.86 |
Standard: Natinal standard, Altas copco’s stanard, Customer’s standard
Email:bruce@kingkongdrillsltd.com
elsa@kingkongdrillsltd.com
Whatsapp/wechat:+86 17638571343
www.kingkongdrillsltd.com
www.kingkongdrillslimited.com
www.chinadrillingtools.cn
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