China U40HD 25mm Round Shank Rock Drill Bits for Drilling Tunnel Boring

PRODUCT OVERVIEW

U40HD 25mm round shank rock drill bits for drilling and tunnel boring

We RUILISTER as the professional manufacturer of tool systems for foundation drilling, we can supply you with products which are ideally tailored to your equipment and application. Our tools ensure high production rates, long service life and short change-over times together with high daily production output.
We offer round shank cutter bits with shank diameters ranging from 19mm to 38/30 mm.
You can rely on a complete product line from a single source for everything from round shank bits, welding bars, quick change bars and holders, to stop wedges and screw connections.

NameRound shank cutter bitsBrand NameRUILISTERMaterialtungsten carbide tip; Alloy steel body, made by material ASTM4140 (42CrMo)Qualityfrist classStep Shank25mm Application

For augering and tunnel boring in extremely hard rock and concrete. Ballistic-style tip provides high impact strength.

Delivery Timebased on order quantity, normally it takes 15-30 days for production. only 2 or 3 days if we have stock on your request size.Supply Ability90000 pieces per monthMOQ50 pcs for trial orderPaymentL/C,T/T, PaypalPacking standard export packing, plastic bucket or box, Plywood caseHS CODE82071990

MATERIALHARDNESSTungsten Carbide TipWC-Co (YG11-YG7)>85HRAHolder42CrMo48~53HRCShank38~42HRCCirclipHigh Elasticity 65Mn /

FEATURES AT A GLANCE

1. Alloy steel body, made by material ASTM4140 (42CrMoA) or ASTM5140 (40Cr), heat treatment with HRC38-42 hardness, has high toughness and wearable character.

2. Tungsten carbide tip is made from low press sintered and suitable grade selected according to target projects, which are to make sure the good performance during working.3. The products adapt to the machine with all the performance features, such as a high feed rate, a long service life and short tools changing time.4. Round shank cutter tools are suitable for excavation of sand, cobbles, weathered rock, hard rock and concrete.
Replacement of Betek specification:B47K17.5H, B47K19H, B47K22H, B43H, B85/2, BSK12, BSK15, BSK17, BTK01, BTK03, BTK07, BTK10, BTK14, BTK16, BTK62, BTK63, BTK70, DV08, DV25, BHR07, BHR12, BHR20, BHR167, BGS75, etc.
Replacement of Kennametal specification:C21, C21HD, C10, C10HD, C20, C31, C31HD, C30, U40HD, U47HD, DS01, DS04, DS05, DS06, U43H, etc.

FAQ

Q: Are you trading company or manufacturer ?

A: Yanggu Ruilister Engineering Machinery Co., Ltd. is a high-tech company integrating R&D, production and trade.Q: Do you accept sample order?
A: Of course, please contact us for details.Q: Can you do OEM?
A: Yes, we can.Q: How do you control the products quality?
A: Each product will be inspected in strict procedure before delivery.Q: How about your after-sales service?
A: We can offer technology support to slove all problems. If quality problem, goods can be return or replaceable.Q: What is your delivery time?
A: based on order quantity, normally it takes 15-30 days for production. only 2 or 3 days if we have stock on your request size.Q: What is your payment terms?
A: Usually 30% deposit in advance by TT, the balance paid against delivery; Western Union, Paypal, L/C at sight is also ok

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