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电动工具配件（批头·锯片·钻夹头·附件）

电动工具配件属于耗材，真正的成本差异在钢材牌号与热处理，而不是外形。批头一般用 S2 或铬钼钢并带扭力区；麻花钻分 HSS、HSS-Co(M35) 与整体硬质合金；硬质合金圆锯片按齿号、齿形、基体是否去应力定价。

产业带

浙江永康与江苏启东——批头、锯片与耗材；浙江温岭/台州——钻夹头与小型齿轮附件

典型产品

Impact / torsion bitsHSS & M35 drill bitsStep (spade) bitsTCT circular saw bladeBi-metal reciprocating & hole sawKeyless drill chuckAngle-grinder discs

材质

S2 alloy steelCr-Mo / Cr-VHSS / HSS-Co M35Tungsten carbide K10–K20Bi-metal M42 / M51

表面工艺

PhosphateTiN / TiAlN coatingNickel platingAnti-rust oil

报价会引用的标准

ISO 1173 (bits, 1/4" hex)DIN 338 / 340 (drill)EN 847-1 (saw blade safety)EN ISO 7010 for abrasive discs

规格参考表

参数项	需要约定的内容
Bit shank	1/4" hex to ISO 1173, PH / PZ / Torx T10–T40 / hex / pozidriv
Bit hardness	Tip 58–62 HRC, torsion zone 42–47 HRC
Drill range	HSS 1–13 mm; M35 for stainless; solid carbide for hardened steel
Blade dia / bore	TCT 110–305 mm, bore 16/20/25.4/30 mm, teeth 24–120
Coating	TiN (gold), TiAlN (black) on bits and drills
Shank types	SDS-plus, SDS-max, hex 1/4" & 1/2", round, Weldon 3/4"
Warranty practice	Typical claim basis: breakage rate under 1% of delivered pcs within 6 months

常规起订量：Blister-packed OEM: typically 1,000–3,000 pcs per SKU; industrial bulk: 500 pcs per size；常规交期：15–30 days; coated or laser-engraved lines add about a week。

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买家常见问题

What is the difference between HSS, M35 and carbide drill bits for sourcing?

HSS is the cheapest and suits wood and mild steel; M35 (HSS with 5% cobalt) is the standard choice for stainless steel and increases tool life several times; solid carbide is for CNC and hardened material at a multiple of the price. Buyers mixing grades in one container normally get the best landed cost per hole.

Do saw-blade factories relabel TCT blades with my brand?

Yes, body printing and laser marking are routine OEM changes at low cost, but tooth geometry, carbide grade and body flatness must be specified in the PO, since visually identical blades differ mainly in those three items.