Name	13PCS HSS fully ground twist drill bit set
Material	This is 13PCS HSS fully ground twist drill bit set made by HSS-M2 material (6542), we also have other material for you choose, such as 4241, 4341 and M35.
Production technology	HSS drill made by fully ground, we also can do half ground drill, edge ground drill.
Tip degree	135° with split point
Surface treatment	the surface treatment of 13PCS HSS fully ground twist drill bit set is white finish
Size	1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.5mm, 4.8mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm;
Mark	mark material, size and brand by stamping method.
Package	13PCS HSS fully ground twist drill bit set packed in metal box with window
Brand	GMTOOL, We also accept custom customers' brand (OEM).

● 135 Tip & Twist Design: the special angle and helical flute design effectively increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
● Efficiently and Clean: Fully ground technology for PRECEISION and FAST drilling clean, burr-free holes. Good performance drill hole on regular metal and steel sheet which under 3mm
● Professional & DIY Use: For use on metal, Stainless Steel, wood and plastics material. Not For Use on concrete, masonry and stone. Perfect match for workshop working.
● Package & Size: 10 Pieces common sizes are packaged together in a plastic box, covering all the drilling needs for daily use. Fast chip removal. Comes with straight shank, Size markings on the shank for identifying sizes quickly.
● UP to 3X Longer Life: Made with HSS M2 steel, also called 6542, Hardness Level on HRC 63-64.provide extreme durability and resisting breakage.
● Bright finish: Classic metallic primary colors with Bright Finish for proven capability and durability.

Usage: when you use this 13PCS HSS fully ground twist drill bit set, take out the drill bit which you want size by carefully and install it in drill machine, clamp it tightly by key, then adjust the speed around 550 RPM, Apply pressure uniformly downward.

Regular Options

Material	Tech	Surface treatment	Tip degree	Split point	Shank	Grade
M35	Fully ground	Amber finish Black and gold	135°	√	Round shank	★★★★★★★
M2	Fully ground	Tin-Coated White	135°	√	Round shank	★★★★★★
4341	Fully ground	Black and gold	135°	√	Round shank	★★★★★
4241	Fully ground	White finish	135°	√	Round shank	★★★★
4341	Half ground	White finish	135°/118°	√/×	Round shank	★★★
4241	Half ground	White finish	135°/118°	√/×	Round shank	★★★
4341	Roll forged	White finish	118°	×	Round shank	★★
4241	Roll forged	Black finish	118°	×	Round shank	★