Fully Ground · Amber Finish
Original Linrui HSS fully-ground product. Existing page lists DIN 338 / DIN 340 / ANSI, fully ground construction and multiple point options.
Products
HSS TWIST DRILL BITS
Golden Ratio Tip, fully ground, half ground, roll forged and special-purpose HSS drill configurations.
HSS Twist Drill Program
Core HSS drilling range
The product family follows the established Linrui HSS structure: Golden Ratio Tip, Fully Ground, Half Ground and Roll Forged. The correct current catalogue also lists several standards, finishes and shank configurations.
Technical Highlights
HSS configurations for different markets
Choose construction, material, finish, point geometry and shank according to the application and target price level.
Production TechniquesRoll Forged · Roll & Edge Ground · Fully Ground
Materials ListedHSS-M2 · HSS-M35 · W9341 · W4341 · W4241
Point Options118° General Angle · 118° / 135° Split Point
Reduced Shank1/4 in. · 3/8 in. · 1/2 in.
ProductionRoll Forged · Roll & Edge Ground · Fully Ground
Materials listedHSS-M2 / W9341 / W4341 / W4241; fully ground also lists HSS-M35
Point options118° General Angle · 118° / 135° Split Point
Reduced shanks1/4 in. (6.5 mm) · 3/8 in. (10.0 mm) · 1/2 in. (13.0 mm)
Surface finishes: Black Finished · Black & Bright · Bright Finished · TiN Coated · Rainbow Color · Bronze Oxide · Black & Gold · Amber
Product Range
Available Options
Select the product family below, then contact us for sizes, finishes, packaging and OEM requirements.
Fully Ground · Black & Yellow
Existing Linrui fully-ground product family with black & yellow finish presentation.
Fully Ground · Titanium Coated
Existing Linrui product listed as HSS fully ground drill, titanium coated.
Golden Ratio Tip
Special tip geometry retained as a differentiated product feature without emphasizing patent wording.
Half Ground · Hex Shank
Existing Linrui page lists DIN 338, half-ground process, HSS materials, 118°/135° split point and hex shank.
Roll Forged · Sandy Blasted
Existing Linrui roll-forged product page lists DIN 338, HSS material and sandy-blasted surface.
HSS Double End Drill
Existing Linrui HSS product; old page lists fully-ground process, HSS materials and 118°/135° split point.
Special Purpose / Oriented Drill
Existing Linrui HSS category product; old page lists fully-ground construction and HSS material options.
Standards and sizes: The correct catalogue includes DIN338, DIN340, DIN1897, DIN1869, ANSI B94.11M Jobber Length/JIS and aircraft-extension information. Full dimension tables remain in the Catalogue page rather than duplicating large tables here.
B2B Enquiries
Need specifications, packing or OEM support?
Contact Lynn Lin for product details, packaging options and quotation.