Series DH04Masonry & Concrete Drill BitsPGM certified

Impact Masonry Drill Bits — Straight Shank

PGM-certified carbide-tipped masonry drill bits for impact drills (percussion drills). 3–28 mm, round shank (1/2" reduced shank above 13 mm), milled and sandblasted flutes. Also available with triangular and hex shanks. For brick, block, concrete, granite and marble.

43 sizes, 3–20 mm × 65–600 mm — see size table

MOQ

100–200 pcs per size

Lead time

20–30 days

Samples

Free, 5–7 days

Shipping

FOB Ningbo / Shanghai

  • PGM certified impact series
  • 3 – 28 mm × 60 – 200 mm
  • Round, 1/2", triangular or hex shank
  • Milled & sandblasted flutes
  • MOQ 200 pcs per size

Manufactured by Zhejiang Dehui Tools Co., Ltd., Yueqing · 41+ years · PGM member since 2009 · ISO 9001 / 14001

Specifications

DH04 technical data

ShankStraight (10 mm / 12.7 mm reduced), triangular, hex
Diameter3 – 28 mm
Total length60 – 200 mm
TipTungsten carbide
FluteMilled, sandblasted
UseBrick, block, concrete, granite, marble
MOQ100–200 pcs per size
CertificationPGM (Prüfgemeinschaft Mauerbohrer e.V.) · factory ISO 9001 / 14001
Payment / shippingT/T 30% deposit, balance before shipment · FOB Ningbo / Shanghai

Size Table

DH04 sizes & catalogue codes

43 sizes. Code = DH + series + diameter + total length. Inch column is the nearest fractional equivalent for reference; bits are metric.

CodeØ mmØ inchTotal lengthWorking length
DH0403006531/8"65 mm30 mm
DH0404007545/32"75 mm40 mm
DH0404012045/32"120 mm72 mm
DH0404015045/32"150 mm100 mm
DH0405008553/16"85 mm50 mm
DH0405010053/16"100 mm55 mm
DH0405012053/16"120 mm72 mm
DH0405015053/16"150 mm100 mm
DH0405020053/16"200 mm135 mm
DH0406010061/4"100 mm55 mm
DH0406012061/4"120 mm72 mm
DH0406015061/4"150 mm100 mm
DH0406020061/4"200 mm135 mm
DH0406025061/4"250 mm180 mm
DH0406030061/4"300 mm225 mm
DH0407010079/32"100 mm55 mm
DH0407012079/32"120 mm72 mm
DH0407015079/32"150 mm100 mm
DH0407035079/32"350 mm275 mm
DH0408012085/16"120 mm72 mm
DH0408015085/16"150 mm90 mm
DH0408020085/16"200 mm135 mm
DH0408025085/16"250 mm180 mm
DH0408030085/16"300 mm225 mm
DH0408040085/16"400 mm320 mm
DH0408060085/16"600 mm450 mm
DH041001201013/32"120 mm72 mm
DH041001501013/32"150 mm100 mm
DH041002001013/32"200 mm135 mm
DH041002501013/32"250 mm180 mm
DH041003001013/32"300 mm225 mm
DH041004001013/32"400 mm320 mm
DH041006001013/32"600 mm450 mm
DH041201501215/32"150 mm90 mm
DH041202001215/32"200 mm135 mm
DH041202501215/32"250 mm180 mm
DH041203001215/32"300 mm225 mm
DH041204001215/32"400 mm320 mm
DH041206001215/32"600 mm450 mm
DH04140150149/16"150 mm90 mm
DH04160150165/8"150 mm85 mm
DH041802001823/32"200 mm135 mm
DH042002002025/32"200 mm135 mm

Need a length that is not listed? Non-catalogue lengths are made from 500 pcs per size.

Product Details

Impact Masonry Drill Bits — Straight Shank — detail views

PGM certified series

Tested hole tolerance, tip symmetry and life.

1200 °C automatic brazing

German MAHLER lines — no hand-torch joints.

20–30 days lead time

FOB Ningbo / Shanghai; CIF to SE Asia and the Gulf on request.

FAQ

What sizes of impact masonry drill bits — straight shank do you make?

43 catalogue sizes from 3–20 mm diameter and 65–600 mm total length — see the full table with codes above. Non-catalogue lengths can be made from 500 pcs.

What is the MOQ for DH04?

100–200 pcs per size; sizes can be mixed within the series. Samples of standard sizes are free (courier collect) and ship in 5–7 days.

Is DH04 PGM certified?

Yes. Impact Masonry Drill Bits — Straight Shank is within the scope of Dehui's PGM (Prüfgemeinschaft Mauerbohrer e.V.) certificate, held since 2009. The test covers hole diameter tolerance, carbide tip symmetry and drilling performance.

Can you put our brand on DH04?

Yes — laser or stamp marking on the shank plus printed blister, case or box. Artwork approval adds about one week to the standard lead time.

HomeProductsWhatsAppInquiry