Diamond Core Drill Demand Is Sharply Segmented — That Is Our Advantage
Buyers searching for diamond core drill bits rarely mean the same thing. An HVAC contractor, a plumbing distributor, an MEP rental house, a tile setter, and a stone fabricator are all looking for different geometry, different bond, different shank, and different packaging. Competitors who dump every variant into one page end up ranking for nothing. This OEM program is organized the way the buyer actually shops.
Core Bit Matrix by Workpiece
| Workpiece | Recommended Bond | Typical Diameter | Typical Shank |
|---|---|---|---|
| Reinforced concrete slab | Wet sintered segmented, general or rebar-cutting formula | 25–200 mm | 1/2 BSP, 5/8-11 UNC, R-1/2 |
| Brick / masonry wall | Wet sintered or dry soft-bond | 25–152 mm | 1/2 BSP or SDS-Plus |
| Porcelain tile / ceramic | Dry vacuum-brazed | 6–100 mm | Hex / M14 / SDS-Plus |
| Granite / marble / engineered stone | Wet continuous rim or sintered | 20–150 mm | M14, 5/8-11 UNC, 1/2 BSP |
| Glass / mirror | Wet continuous rim, fine grit | 6–50 mm | M14 / hex |
What We Actually Control
Serious buyers compare four things before placing an order:
- Bond recipe: general concrete, rebar-cutting, soft brick, hard granite — each with its own metal matrix and diamond concentration.
- Segment or rim welding: laser-welded segments for safety and life on sintered cores; vacuum brazing for dry cores with controlled grit exposure.
- Shank machining: 1/2 BSP, 5/8-11 UNC, M14, R-1/2, SDS-Plus and SDS-Max — threads cut and inspected so buyers do not return complaints about rig mounting.
- Packaging: PVC tube with label, blister card, plastic case, printed carton, and multilingual installation guide.
RFQ Checklist
- Workpiece: reinforced concrete, brick, porcelain tile, granite, marble, glass.
- Wet or dry use.
- Diameters and lengths (plus extensions if needed).
- Shank type for your hammer / rig / stand.
- Packaging: single tube, blister, plastic case, printed carton, private-label artwork.
- Volume and reorder cadence.
Procurement Terms at a Glance
Before the quote, importers, distributors, and private-label tool brands usually want the same six numbers. This is what our OEM program looks like for this product family.
MOQ
From 100 pcs per SKU or 300 pcs mixed kit; smaller pilot batch possible for first-time buyers.
Lead Time
7–10 days for samples, 20–30 days for stock configurations, 30–45 days after artwork approval for private-label runs.
OEM & Private Label
Logo laser marking, color print, printed packaging label, plastic case, metal index, blister card, carton artwork, and multilingual pamphlet.
Sample Policy
Paid samples, refunded against the first bulk order; drilling, hole-count, and packaging test records available on request.
Payment & Incoterms
T/T 30/70, L/C at sight, or D/P for approved buyers. FOB Shanghai or Ningbo, CIF, and DDP available on request.
Certifications & Reports
Manufacturing under ISO 9001 quality system; CE, REACH, RoHS declarations on file; mill test reports and material certificates issued per shipment.