Gold Member Since 2013
Hongkong Joylight International Industrial Co., Ltd.

Step Drill Bits, Drill Bits, HSS Drill Bits manufacturer / supplier in China, offering 3PCS Tin-Coated HSS Step Drill Bits with Hex Shank (JL-HSHT), Fully Ground HSS Twist Drill Bits with Bronze Finish (JL-HSFB), 8PCS Wood Spade Flat Drill Bits Set (JL-WSDB8) and so on.

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Supplier Homepage Product HSS Drill Bits Twist Drill Bits 3PCS Tin-Coated HSS Step Drill Bits with Hex Shank (JL-HSHT)

3PCS Tin-Coated HSS Step Drill Bits with Hex Shank (JL-HSHT)

FOB Price: US $4.8-6.9 / Set
Min. Order: 200 Sets
Min. Order FOB Price
200 Sets US $4.8-6.9/ Set
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Port: Shanghai, China
Production Capacity: 20, 000sets/Month
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: JL-HSHT
  • Type: Center Drill Bits,Core Drill Bits
  • Set: 3PCS/Set
  • Shank: 1/4" Quick Change Hex Shank
  • Trademark: JOYLIGHT
  • Specification: hex shank
  • HS Code: 820750900
  • Customized: Customized
  • Material: High Speed Steel
  • Surface: Tin-Coated
  • Min Qty: 200sets
  • Transport Package: PVC Bag, Wood Box, Blister Card, Plastic Box etc
  • Origin: China
Product Description
Hex Shank HSS Step Drills with Tin Coated (JL-HSHT)

1. Material: HSS M2
2. Thermal treatment: Bit part 62-65HRC
Bit shank 40-50HRC
3. Surface treatment: bright white,Black Oxide, Titanium Coated, Cobalt Coated, TiALN Coated
(The surface of the drill bit without tipping blunt crack significant bump and grinding burn and influence the use performance defect, Product no surface rupture, burr, rust, black spots or other undesirable phenomenon)
4. Shank:hex shank. All shank with 1/4" quick change hex shank or 3/8" quick change hex shank prevents slipping in drill chuck or bit extension.
5. Flute type: straight flute
6. for drilling cylindrical holes in solid material up to a thickness of 1/8".
7.Burr-free and vibration-free drilling.
8.The tapered cutting edges of the next drill step can be used for simultaneous deburring or chamfering of the finished bore at the same time.
9.Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.
10.Drills up to 1/2" holes sizes with one bit.
11.Ideal tool for sheet metal workers, electrical contractor, auto mechanics, and general contractors.
                                    
SizeStep QtyShank Dia
3/16" - 1/2"61/4"
3/16" - 1/2" Long61/4"
1/8" - 1/2"131/4"
1/4" - 3/4"91/4" or 3/8"
3/16" - 7/8"121/4" or 3/8"
1/4" - 7/8"111/4" or 3/8"
1/4" - 1"101/4" or 3/8"
9/16" - 1"81/4" or 3/8"
1/2" - 1"91/4" or 3/8"
7/16" - 1 1/8"121/4" or 3/8"
1/4" - 1 3/8"101/4" or 3/8"
1/4" - 1 1/2"111/4" or 3/8"
13/16" - 1 3/8"101/4" or 3/8"
3/4" - 1 3/8"111/4" or 3/8"
7/8" - 1 1/8"21/4" or 3/8"
7/8" - 1 3/8"51/4" or 3/8"

3PCS Tin-Coated HSS Step Drill Bits with Hex Shank (JL-HSHT)

 
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